TY  - BOOK
AU  - Caullery Maurice
AU  - Lysaght Averil M
TI  - Parasitism and symbiosis
U1  - 571.9991 
PY  - 1952///
CY  - London
PB  - Sidgwick & Jackson
KW  - Animals
KW  - Parasitism
KW  - Symbiosis
ER  -