Proceedings of the 32nd Industrial Waste Conference, May 10, 11 and 12, 1977, Purdue University, Lafayette, Indiana - Industrial Waste Conference 1977 : West Lafayette, Indiana) (Ann Arbor Ann Arbor Science, 1978)
'Published annually in January of the year following each year's May Conference by Ann Arbor Science Pub.'
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Keywords: Factory and trade waste -- Congresses