TY - BOOK AU - Preston,T.R. ED - Food and Agriculture Organization of the United Nations. ED - International Livestock Centre for Africa. TI - Better utilization of crop residues and by-products in animal feeding : research guidelines: 2. A practical manual for research workers / : research guidelines : (Acc: 150) SN - 9251024227 (v. 2 : pbk.) U1 - 636.085 PRE 19 PY - 1985///-1986 CY - Rome PB - Food and Agriculture Organization of the United Nations KW - Crop residues as feed KW - Agricultural wastes as feed ER -