TY  - BOOK
AU  - Desonie, Dana
TI  - Hydrosphere : freshwater systems and pollution
SN  - 9780816062157
SN  - 200702239
U1  - 551.48 DES 
PY  - 2008///
CY  - New York
PB  - Chelsea House
KW  - Fresh water - Juvenile literature
KW  - Water - Pollution - Environmental aspects - Juvenile literature
KW  - Water - Pollution - Health aspects - Juvenile literature
KW  - Water - Purification - Juvenile literature
N1  - Includes bibliographical references and index
ER  -