TY - BOOK AU - Knight,C.Gregory TI - Triumph or triace? the world food problem in geographical perspective SN - 0-89291-115-8 AV - ERB PAM HD900.5.K528 PY - 1976/// CY - Washington, D.C PB - Association of American Geographers KW - Food supply N1 - Includes bibliography: p.59-63 ER -