TY  - BOOK
AU  - Mackenthun, Kenneth Marsh,
TI  - The practice of water pollution biology
AV  - TD420 M33
PY  - 1969///
CY  - [washington]
PB  - United states department of the interior federal water pollution control administration, division of technical support
KW  - Agua
KW  - Contaminación
KW  - Biología de agua dulce
ER  -