TY  - BOOK
AU  - Roberts,Michael Bliss Vaughan
TI  - Biology: A functional approach
SN  - 017448013-X
AV  - QH308.2.R6 1976 
U1  - 574 
PY  - 1976///
CY  - Nairobi
PB  - E.L.B.S
KW  - Biology
N1  - Bibliography: p. 608-619
ER  -