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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 44(1985) : 1, s. 20
Finlands natur. - ISSN 0356-4509. - 44(1985) : 1, s.20
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In: Finlands natur. - ISSN 0356-4509. - 44(1985) : 1, s. 20
Finlands natur. - ISSN 0356-4509. - 44(1985) : 1, s.20
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 44(1985) : 1, s. 20
Finlands natur. - ISSN 0356-4509. - 44(1985) : 1, s.20
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In: Finlands natur. - ISSN 0356-4509. - 44(1985) : 1, s. 20
Finlands natur. - ISSN 0356-4509. - 44(1985) : 1, s.20
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 44(1985) : 2, s. 15
Finlands natur. - ISSN 0356-4509. - 44(1985) : 2, s.15
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In: Finlands natur. - ISSN 0356-4509. - 44(1985) : 2, s. 15
Finlands natur. - ISSN 0356-4509. - 44(1985) : 2, s.15
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 45(1986) : 1, s. 29
Finlands natur. - ISSN 0356-4509. - 45(1986) : 1, s.29
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In: Finlands natur. - ISSN 0356-4509. - 45(1986) : 1, s. 29
Finlands natur. - ISSN 0356-4509. - 45(1986) : 1, s.29
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 45(1986) : 1, s. 29
Finlands natur. - ISSN 0356-4509. - 45(1986) : 1, s.29
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In: Finlands natur. - ISSN 0356-4509. - 45(1986) : 1, s. 29
Finlands natur. - ISSN 0356-4509. - 45(1986) : 1, s.29
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 45(1986) : 1, s. 29-30
Finlands natur. - ISSN 0356-4509. - 45(1986) : 1, s.29-30
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In: Finlands natur. - ISSN 0356-4509. - 45(1986) : 1, s. 29-30
Finlands natur. - ISSN 0356-4509. - 45(1986) : 1, s.29-30
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 45(1986) : 2, s. 29
Finlands natur. - ISSN 0356-4509. - 45(1986) : 2, s.29
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In: Finlands natur. - ISSN 0356-4509. - 45(1986) : 2, s. 29
Finlands natur. - ISSN 0356-4509. - 45(1986) : 2, s.29
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 45(1987) : 4, s. 29
Finlands natur. - ISSN 0356-4509. - 45(1987) : 4, s.29
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In: Finlands natur. - ISSN 0356-4509. - 45(1987) : 4, s. 29
Finlands natur. - ISSN 0356-4509. - 45(1987) : 4, s.29
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 45(1987) : 4, s. 30
Finlands natur. - ISSN 0356-4509. - 45(1987) : 4, s.30
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In: Finlands natur. - ISSN 0356-4509. - 45(1987) : 4, s. 30
Finlands natur. - ISSN 0356-4509. - 45(1987) : 4, s.30
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 45(1987) : 2, s. 29
Finlands natur. - ISSN 0356-4509. - 45(1987) : 2, s.29
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In: Finlands natur. - ISSN 0356-4509. - 45(1987) : 2, s. 29
Finlands natur. - ISSN 0356-4509. - 45(1987) : 2, s.29
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 46(1988) : 2, s. 30
Finlands natur. - ISSN 0356-4509. - 46(1988) : 2, s.30
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In: Finlands natur. - ISSN 0356-4509. - 46(1988) : 2, s. 30
Finlands natur. - ISSN 0356-4509. - 46(1988) : 2, s.30
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 46(1988) : 2, s. 30
Finlands natur. - ISSN 0356-4509. - 46(1988) : 2, s.30
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In: Finlands natur. - ISSN 0356-4509. - 46(1988) : 2, s. 30
Finlands natur. - ISSN 0356-4509. - 46(1988) : 2, s.30
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 47(1988) : 5, s. 30
Finlands natur. - ISSN 0356-4509. - 47(1988) : 5, s.30
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In: Finlands natur. - ISSN 0356-4509. - 47(1988) : 5, s. 30
Finlands natur. - ISSN 0356-4509. - 47(1988) : 5, s.30
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 47(1988) : 5, s. 31
Finlands natur. - ISSN 0356-4509. - 47(1988) : 5, s.31
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In: Finlands natur. - ISSN 0356-4509. - 47(1988) : 5, s. 31
Finlands natur. - ISSN 0356-4509. - 47(1988) : 5, s.31
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Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - 48(1989) : 2, s. 30
Finlands natur. - ISSN 0356-4509. - 48(1989) : 2, s.30
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In: Finlands natur. - ISSN 0356-4509. - 48(1989) : 2, s. 30
Finlands natur. - ISSN 0356-4509. - 48(1989) : 2, s.30
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by:
Ulfvens, Johan.
In: Suomen luonto. - ISSN 0356-0678. - 49(1990) : 2, s. 44
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In: Suomen luonto. - ISSN 0356-0678. - 49(1990) : 2, s. 44
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by:
Ulfvens, Johan.
In: Finlands natur. - ISSN 0356-4509. - Helsingfors : Natur- och miljövård. - 53 (1994) : 4, s. 20-21
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