TY  - BOOK
AU  - Roberts,Michael Bliss Vaughan
TI  - Biology: a functional approach
SN  - 9780174480198
AV  - QH308.2.R6 1986 
U1  - 574 
PY  - 1986///
CY  - Cheltenham
PB  - Nelson Thornes
KW  - Biology
N1  - Bibliography: p. 608-619
ER  -