Media type: E-Article Title: Were environmental or demographic factors the driving force behind Middle Stone Age innovations in southern Africa? Contributor: Jacobs, Zenobia; Roberts, Richard G. Published: Academy of Science of South Africa, 2010 Published in: South African Journal of Science, 105 (2010) 9/10 Language: Not determined DOI: 10.4102/sajs.v105i9/10.105 ISSN: 1996-7489; 0038-2353 Keywords: General Earth and Planetary Sciences ; General Agricultural and Biological Sciences ; General Biochemistry, Genetics and Molecular Biology Origination: Footnote: Access State: Open Access