TY - GEN AU - Chapra,Steven C. TI - Surface water-quality modeling T2 - McGraw-Hill series in water resources and environmental engineering SN - 9781577666059 (pbk.) AV - TD365 .C48 1997 U1 - 628.16 PY - 2008/// CY - Long Grove PB - Waveland Press KW - Water quality KW - Mathematical models N1 - Includes references & index ER -