00519nam a2200193Ia 4500001000700000003000500007008004100012010001100053040000900064082001600073100002600089245007300115260007300188300001900261440000500280500000500285503000500290650003000295Z_3297CHAP220113s1956    xx            000 0 und d  a166406  cCHAP  a636.0896 E7  aErshov, V           S  aParasitology and parasitic diseases of livestock  /cby V. S. Ershov  aMoscow  :bState Publishing House for Agricultural Literature,c1956  a523 p. ; ilus.  a  a  a  aGanadoxParásitos I. t.