TY  - BOOK
AU  - Lyons,Kathleen M., -
AU  - -
TI  - The biology of helminth parasites: -
U1  - 595.1/LYB 
PY  - 1978///
CY  - Lond
PB  - Edward Arnold
KW  - Invertebrates
KW  - Zoology
ER  -