by Prasad, A, Broderson, C, Day, G P, Garcia, F, Weissbecker, H, Kobakov, Y
Published in Trends & techniques in the contemporary dental laboratory (01.01.1994)

by Benkert, O, Graf-Morgenstern, M, Hillert, A, Sandmann, J, Ehmig, S C, Weissbecker, H, Kepplinger, H M, Sobota, K
Published in The journal of nervous and mental disease (01.03.1997)