TY - BOOK AU - Davis,Mackenzie Leo AU - Cornwell,David A. TI - Introduction to environmental engineering SN - 9780070671171 U1 - 628 22 PY - 2009/// CY - Dubuque, IA PB - McGraw-Hill Companies KW - Environmental engineering KW - Sanitary engineering N1 - Includes bibliographical references and index UR - http://www.loc.gov/catdir/enhancements/fy0665/2006049134-d.html UR - http://www.loc.gov/catdir/enhancements/fy0665/2006049134-t.html ER -