Aanwas versus oorskot

by S. W. Petrick
Published 1984-03-01

Parotid duct laceration repair in two horses : case report

by A. Olivier, G. Steenkamp, S.W. Petrick, R.D. Gottschalk
Published 1998-07-01

Measurements of total odd nitrogen (NO_y) aboard MOZAIC in-service aircraft: instrument design, operation and performance

by A. Volz-Thomas, M. Berg, T. Heil, N. Houben, A. Lerner, W. Petrick, D. Raak, H.-W. Pätz
Published 2005-01-01