TY  - BOOK
AU  - Roberts, M.B.V.
TI  - Biology: a functional approach 
SN  - 0174480334
U1  - 574 
PY  - 1991///
CY  - United Kingdom
PB  - Thomas Nelson & Sons
KW  - Biology
KW  - Biological approach
N1  - Includes index
ER  -