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6927 documents found.
Published:
| Grassberger, R.
Published:
| Hobi, V.
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| Amsler, H.A.
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| Kielholz, P.
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| Michon, J.A. Molen, H.H. van de Rothengatter, J.A. et.al.
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| Hartmann, H.P.
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| Wachs, M.
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| Wesemann, P. Noordzij, P.C. & Mulder, J.A.G.
Published:
| Noordzij, P.C. Mulder, J.A.G. & Wesemann, P.