TY - BOOK AU - Masters,Gilbert M. AU - Ela,Wendell TI - Introduction to environmental engineering and science SN - 9780131481930 AV - TD145 .M33 2008 U1 - 628 22 PY - 2008/// CY - New Delhi PB - Prentice Hall KW - Environmental engineering KW - Environmental sciences N1 - Includes bibliographical references (p. 683-685) and index UR - http://www.loc.gov/catdir/toc/ecip0717/2007019018.html ER -