000			00357nam a2200145Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
020			_a0 85198 857 1
041			_aen
082			_a636.08
100			_aDEWI, I Ap.
245		0	_aPollution in livestock production systems.
260			_aUk. _bCAB international _c1994
300			_axv, 463p.
942			_cPR
999			_c46813 _d46813