000 00408nam a2200133Ia 4500
008 151015s9999 xx 000 0 und d
020 _a9251024227
100 _aPreston, T. R.
245 _aBetter utilization of crop residues and by products in animal feding: research guidelines
260 _c1986
300 _axii 154p.
500 _aFAO animal production and health paper no- 50/2
942 _cFAO
_2udc
999 _c23969
_d23969