TY - BOOK AU - Sawyer,Clair N. AU - McCarty,Perry L. AU - Parkin,Gene F. TI - Chemistry for environmental engineering SN - 0070549788 AV - TD193 .S28 1994 PY - 1994/// CY - New York PB - McGraw-Hill KW - Environmental chemistry KW - Laboratory manuals KW - Sanitary engineering ER -