Some further thoughts concerning the 24 mm. Potchefstroom, Pretoria and Rustenburg datestamps
Author: Wingent, P, Drysdall, A.R. and Dickson, J., (pg. 86-87)
Published in: Volume 31, Issue 3, pg. 77-110, 1996
Published in: Volume 31, Issue 3, pg. 77-110, 1996