Proceedings of the 21st Industrial Waste Conference,  May 3, 4, and 5,1966
By: sponsors, School of Civil Engineering, Purdue University; Division of Sanitary Engineering. Indiana State Board of Health.
Contributors: Indiana (State). Board of Health. Division of Sanitary Engineering.; Purdue University. School of Civil Engineering.
Series: Engineering extension series -- 121.
Publisher: Purdue University
Published: 1966
Place of publication: Lafayette
Language: eng