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886 documents found.
Published:
| Jaeger, D.M. de
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| Asmussen, E. & Flury, F.C.
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| Griep, D.J.
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| Winsemius, W.
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| Boer, J.B. & Vermeulen, D.
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| Boer, J.B. & Vermeulen, D.