TY  - BOOK
AU  - Williams, Linda D. 
TI  - Environmental science demystified
SN  - 0070606226
U1  - 628 
PY  - 2005///
CY  - New Delhi 
PB  - Tata McGraw Hill Publishing House 
KW  - Environmental science
KW  - Green house gases
N1  - Includes appendix, bibliographical references and index
ER  -