TY  - GEN
AU  - Roberts, M. B. V.
TI  - Biology : : a functional approach 
SN  - 0174480199
U1  - 574  
PY  - 1986///
CY  - Walton-on-Thames : 
PB  - Thomas Nelson and Sons
KW  - Biology
N1  - Includes bibliographical references and index
ER  -