TY  - BOOK
AU  - Serâe,Carlos
AU  - Steinfeld,Henning
AU  - Groenewold,Jan
TI  - World livestock production systems : : current status, issues, and trends / 
SN  - 9251038120
PY  - 1996///
CY  - Rome : 
PB  - Food and Agriculture Organization of the United Nations, 
KW  - Livestock
KW  - Ecology
KW  - Livestock systems
KW  - Environmental aspects
N1  -  Includes bibliography : p. 46-47
ER  -