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2157 documents found.
Published:
| Wolfe, A.C. Filkins, L.D. & O'Day, J.
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| Krop, W.K.H.
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| Bastiaanse, J.C.
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| Goris, R.J.A.
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| Boer, H.H.M. de
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| Hart, N.N.
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| Centraal Bureau voor de Statistiek CBS
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| Wegman, F.C.M.
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| Paar, H.G. & Tromp, J.P.M.