"cohen, joel i. "
conservation and use of agro-ecological diversity: / joel.i. cohen - ed. - nairobi : actspress 1992. - ", 26p.; 20 cm." - biopolicy international series ;no.3 .
9966-41-039-2
biotechnology--
630. 7 coh
conservation and use of agro-ecological diversity: / joel.i. cohen - ed. - nairobi : actspress 1992. - ", 26p.; 20 cm." - biopolicy international series ;no.3 .
9966-41-039-2
biotechnology--
630. 7 coh