TY  - GEN
AU  - Mackean, Donald Gordon.
TI  - Introduction to biology / 
SN  - 0719528305
AV  - QH308.7 
PY  - 1973///
CY  - London : 
PB  - J. Murray, 
KW  - Biology
KW  - Living systems | Secondary school texts
N1  - Previous ed. 1969; Bibliography p. 210. - Includes index
ER  -