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7905 documents found.
Published:
| Wagenaar, W.A.
Published:
| Kraus, J.F. Franti, C.E. & Riggins, R.S.
Published:
| Statistisches Bundesamt Wiesbaden.
Published:
| Voordt, D.J.M. van der & Wegen, H.B.R.van
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| Hough, G.L.
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| Nanninga,W.
Published:
| -
Published:
| Welleman, A.G.
Published:
| Parsons,G.G.
Published:
| Oppe, S. & Wegman, F.C.M. (eds.)