TY  - BOOK
AU  - Usherwood Peter N.R.
TI  - Nervous systems: The institute of biology's studies in Biology no.36 
T2  - The Institute of Biology's studies in biology, no. 36
SN  - 0-7131-2370-2 
U1  - 591.188 USH 
PY  - 1973///
CY  - London
PB  - Edward Arnold
N1  - Includes bibliographical references and index
ER  -