TY  - BOOK
AU  - Barrington,E,J,W., x
AU  - x
TI  - Invertebrate structure and function: x
SN  - x
U1  - 592/BAI 
PY  - 1968///
CY  - Lond.
PB  - Nelson
KW  - Invertebrates
N1  - x
ER  -