TY - BOOK AU - Poinar,G.O. AU - Willmott,Sheila TI - CIH key to the groups and genera of nematode parasites of invertebrates PY - 1977/// CY - Farnham Royal PB - Commonwealth Agricultural Bureaux KW - Nematoda KW - Classification KW - Identification KW - Parasites KW - Vertebrates ER -