TY  - BOOK
AU  - Clegg,John
TI  - Your book of freshwater life
T2  - Your book series
AV  - QH96 .C53
U1  - 574.929 (j) 
PY  - 1968///
CY  - London
PB  - Faber
KW  - Freshwater biology
N1  - Label mounted on t.p.: Sole distributor for the U.S.A., Transatlantic Arts, New York
ER  -