TY  - BOOK
AU  - Desonie, Dana.
TI  - Hydrosphere: freshwater systems and pollutions
SN  - 978-0-8160-6215-7
U1  - GR 551.48 D466h 2008 
PY  - 2008///
CY  - New York, New York
PB  - Chelsea House.
KW  - Water- Pollution- environmental aspects- Juvenile literature
KW  - Water- Pollution- health aspects- Juvenile literature
KW  - Freshwater- Juvenile literature
KW  - Water- Purification- Juvenile literature
N1  - Includes bibliographical references and index
ER  -