000			00351nam a2200121 4500
245			_aScience of animals that serve mankind _cJohn R. Campbell and John F. Lesley
100			_aCampbell, John, R.
710			_aLesley,John F.
250			_a2nd. ed.
260			_aNew York _bMcGraw-Hill _cc1975
300			_axix,732p. : ill. ; 24cm.
082			_a591.1 _bCAM
999			_c19000 _d19000