000 00293nam a2200121Ia 4500
082 _a636.089 696 S62I
100 _aSoulsby, E. J. L.
245 _aImmunity to animal parasites
260 _aNew York
_bAcademic Press
_c1972
300 _a425p.
650 _aVETERINARY MEDICINE
942 _2ddc
_cC
999 _c1155
_d1155