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- Mosselman, E. (author), Barneveld, H.J. (author), Vriend, H.J. de (author) report 2001
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- Winterwerp, J.C. (author), Jeuken, M.C.J.L. (author), Stive, M.J.F. (author), Vriend, H.J. de (author) report 2000
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Van Hinsberg, V.J. (author), De Wijs, C.J. (author), Zinngrebe, E. (author), Vriend, S.P. (author)This presentation will present the preliminary results of the research, conducted by Hanno de Wijs and myself at the University of Utrecht in the Netherlands, on Sb deposits in the Massif Central in France. The research consists of two parts. One concerning whh the origin of the Sb and the mechanims of release and transport. The second theme is...report 2000
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- Wang, Z.B. (author), Jeuken, C. (author), Vriend, H.J. de (author) report 1999
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- Vriend, H.J. de (author), Banning, G.K.F.M. van (author) report 1986
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- Angwin, S.J. (author), Vriend, P.C. (author) report 1986
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- Vriend, H.J. de (author) report 1985
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- Vriend, H.J. de (author) report 1984
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- Vriend, H.J. de. (author) report 1983