Schayan, J2012-07-092012-07-091993Schayan, J. 1993. Monuments to mankind. Yesterday & today = Gister en vandag, 25:78-80, May. [http://www.sashtw.org.za/index2.htm] [http://dspace.nwu.ac.za/handle/10394/5126]2223-0386http://hdl.handle.net/10394/6773enArticle