na INLIS000000000000807 In 0010-1021000807 Livestock and environment feeding a balance Ceesde Haan; Henmip SteinfildandHarvey Blackburu HAAN, Ceesde Sufflok, UK FAO-USAN and world bank 1988 115 p. : ill. 29 cm - 41 LIVESTOCK ENVIRONMENT FEEDING BALANCES. 7/BPT-C/2000