Interunion Commission on the Application of Science to Agriculture, Forestry and AquacultureHulse, J.H.2007-11-121992-04-012007-11-121992http://hdl.handle.net/10625/10783Text8 p.enFOOD SECURITYECONOMIC AND SOCIAL DEVELOPMENTEGYPTHISTORICAL ANALYSISScience, development and food security : Third World Academy of Science Lecture, Cairo 1992Conference Paper