TY - BOOK AU - Masters,Gilbert M. AU - Ela,Wendell TI - Introduction to Environmental Engineering and Science SN - 9780131481930 AV - TD145 .M33 2008 U1 - 628 MAS 22 PY - 2008/// CY - Upper Saddle River, N.J. PB - Prentice Hall KW - Environmental engineering KW - Environmental sciences N1 - P.B; Includes bibliographical references (p. 683-685) and index UR - http://www.loc.gov/catdir/toc/ecip0717/2007019018.html ER -