TY - BOOK AU - Heiser,Charles Bixler TI - Seed to civilization: the story of food SN - 0716712644 AV - S419 .H44 1981 U1 - 630/.9 19 PY - 1981/// CY - San Francisco PB - W. H. Freeman KW - Agriculture KW - History KW - Ethnobotany KW - Ethnozoology KW - Food crops KW - Food N1 - Includes index; Bibliography: p. [239]-245 ER -