TY  - BOOK
AU  - Williams, Linda D
TI  - Environmental science demystified : a self-teaching guide
SN  - 9780070606227
U1  - 628 WIL 
PY  - 2005///
CY  - New Delhi
PB  - Tata McGraw Hill Education
KW  - Environmental engineering
KW  - Environmental sciences
N1  - Includes bibliographical references and index
ER  -