Owen, T.R. creator text Great Britain Hodder & Stoughton Ltd 1983 monographic 224 p. ; Import. Geology South Africa--Cape Town Region 551OWE 0340269448 (paperback) 9780340269442 (paperback) http://www.amazon.com/exec/obidos/ASIN/0340269448/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/0340269448/chopaconline-20