00473nam a2200193 a 450000100080000000500110000800800410001902000180006010000160007824500380009426000320013230000140016449000300017865300110020865300130021965300130023265300180024565300160026311072022000-12-22       1978    bl uuuu      00u1 u    #d  a0 7131 2715 51 aLYONS, K.M.  aThe biology of helminth parasites  aLondon: Edward Arnoldc1978  a59p.cil.  a(Studies in Biology, 102)  aANIMAL  aBIOLOGIA  aHELMINTO  aPARASITOLOGIA  aVETERIANRAI