TY  - GEN
AU  - Petterson, D J
TI  - Free-Living Freshwater Protozoa: A Colour Guide
SN  - 0470235675
U1  - 579.4176 
PY  - 1992///
CY  - New York
PB  - John Wiley & Sons
KW  - Freshwater Protozoa
KW  - Protozoa
ER  -