1. The colonial origins of comparative development;Acemoglu;American Economic Review,2001
2. Reversal of fortunes;Acemoglu;Quarterly Journal of Economics,2002
3. Geography, demography and economic growth in Africa;Bloom;Brookings Papers on Economic Activity,1998
4. Blumler, M., 1992. Seed weight and environment in mediterranean-type grasslands in California and Israel. UMI Dissertation Services, UC Berkeley, Ann Arbor.
5. Boserup, E., 1965. The Conditions of Agricultural Growth, Earthscan, London.