TY  - BOOK
AU  - Wigglesworth, V.B.
TI  - Principles of insect physiology 
U1  - 595.7 21st ed.
PY  - 1939///
CY  - Great Britain
PB  - English Language book society and Methuen and co.
KW  - Insects
KW  - Physiology
KW  - Morphology
N1  - Index: pp. 413-34
ER  -