Showing papers by "University of Johannesburg published in 1987"
George R. Pettit1, Yoshiaki Kamano2, Cedric W. Holzapfel2, Cedric W. Holzapfel3, Wynand J. Van Zyl2, Wynand J. Van Zyl3, Albert A. Tuinman2, Albert A. Tuinman4, Cherry L. Herald2, L. Baczynskyj5, L. Baczynskyj2, Jean M. Schmidt2 •