000 00291nam a22001217a 4500
020 _a01126553408
050 _aMED RC119.
_bS6
100 _aSoulsby, E.J.L
245 _aImmunity to animal parasites
260 _aNew York and London
_bAccademic Press
_c1972
300 _a416p.:
942 _cBK
999 _c10958
_d10958