Proceedings of the 34th Industrial Waste Conference, May 8, 9 and 10, 1979, Purdue University, Lafayette, Indiana - Industrial Waste Conference 1979 : West Lafayette, Indiana).; Purdue University. School of Civil Engineering (Ann Arbor Ann Arbor Science, 1980)
'Published annually in January of the year following each yaer's May Conference by Ann Arbor Science Pub.'
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Keywords: Factory and trade waste -- Congresses