W. Koppers

发表

C. J. Barth, A. Donné, G. Wright, 2008, The Review of scientific instruments.

J. Frenken, A. Bot, A. Kleyn, 1993 .

W. Koppers, 1955, Yearbook of Anthropology.

S. A. S. join, W. Koppers, E. Raybould, 1952 .

Dc Daan Schram, M. F. Graswinckel, B. Schweer, 2010 .

A. Kleyn, N. Cardozo, D. Schram, 2007 .

S. Brons, T. Oyevaar, A. Donné, 2012, The Review of scientific instruments.