TY  - BOOK
AU  - 
AU  - Andrews, William A.,
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : an introductory study 
SN  - 0130765627 (hardback)
SN  - 2
PY  - 1980///;copyright 198046
CY  - Scarborough, Ontario
PB  - Prentice-Hall of Canada
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Biology
N1  - Includes index; 5
ER  -