TY  - GEN
AU  - Maitland, Peter S
TI  - Biology of Fresh Waters
T2  - Tertiary Level Biology
SN  - 0216929881
U1  - 578.76 
PY  - 1990///
CY  - Glasgow
PB  - Blackie
KW  - Fresh Water Biology
KW  - Aquatic Biology
ER  -