TY  - BOOK
AU  - Spotte, Stephen.
TI  - Fish and invertebrate culture: water management in closed systems 
U1  - 639.37 
PY  - 1970///
CY  - New York
PB  - Wiley-Interscience
KW  - Aquarium water.
KW  - Ecology.
N1  - Includes index
ER  -