TY  - BOOK
AU  - Olsen,O.Wilford
TI  - Animal parasites: their life cycles and ecology
SN  - 0839106432
AV  - QL757 .O4
U1  - 591.5/24 
PY  - 1974///]
CY  - Baltimore
PB  - University Park Press
KW  - Parasitology
KW  - Parasites
KW  - Life cycles
N1  - Includes bibliographies
ER  -