chemical ecology and the origins of human diet and medicine Johns, Timothy 1950- creator text programmed text azu 1990 monographic eng

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xviii, 356 p. : il. ; 24 cm. A painstaking, step-by-step accounting of how agriculture, through genetics, may be reaching its most vulnerable pinnacle. They are warning us of valuable resources now threatened, but still available to conserve, and they offer both public policy and hands-on ways of doing that." specialized Timothy Johns Series statement from label on page facing t.p. Incluye referencia bibliográfica: p. [305]-338 e índice ETNOBOTANICA HOMBRE PREHISTORICO ALIMENTACION PLANTAS MEDICINALES PLANTAS TOXINAS QUIMICA ECOLOGICA 613.2 J6 1990 0816510237 (alk. paper) https://www.cicy.mx/sitios/sib/doctoelectronico/8032.pdf https://www.cicy.mx/sitios/sib/doctoelectronico/8032.pdf 900125 20260521090501.0 000008032