TY  - BOOK
AU  - Ziegler, Edward N. 
AU  - Ziegler, Ed
TI  - Encyclopedia of environmental science and engineering, sixth edition
T2  - Print version
SN  - 1439804427 (hardcover)
PY  - 2012///
CY  - [S.l.]
PB  - CRC Press
UR  - http://www.amazon.com/exec/obidos/ASIN/1439804427/chopacon
ER  -