5
by Hanne Beermann
Published in Cepra-Striben (2010)
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6
7
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8
9
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10
by Beermann, Dietrich
Published in Der Handel (2004)
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11
12
by Beermann, B.
Published in BMJ (1985)
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13
by Beermann, B.
Published in BMJ (1983)
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14
15
17
by Beermann, Hermann
Published in Wirtschaftsdienst (1968)
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18
by Beermann, Hermann
Published in Wirtschaftsdienst (1968)
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19
by BEERMANN, W.
Published in American Zoologist (1963)
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