TY - BOOK AU - Lele, Uma J. AU - Stone, Steven W., TI - Population pressure, the environment, and agricultural intensification: variations on the Boserup hypothesis T2 - MADIA discussion paper SN - 0821313207 AV - HB2121 .L44 1989 PY - 1989/// CY - Washington, D.C. PB - World Bank KW - Population density KW - Case studies KW - Africa, Sub-Saharan KW - Agricultural productivity KW - Agricultural intensification KW - Land use, Rural N1 - Includes bibliographical references (p. 77-79) ER -