TY  - BOOK
AU  - Kilgour, O. F. G.
TI  - Mastering biology
SN  - 0333318978
U1  - 570 
PY  - 1982///
CY  - London
PB  - Macmillan, 
KW  - Biology
N1  - Nature and variety of living organisms;
Life processes;
Environmental biology

ER  -