TY  - GEN
AU  - Mishtra, C. S. K.
TI  - Environmental issues and options
SN  - 8170354315
AV  - QH541.15 .E58 2006 CIRC
PY  - 2006///
CY  - Delhi
PB  - Daya Publishing House
KW  - Environmental monitoring
N1  - Includes bibliographical references and index
ER  -