Author: HORAN, N.J.
Title: Biological wastewater treatment systems: theory and operation
Description: Wiley-Blackwell, 1989. Used - Very Good. VG paperback . 1997 reprint with B&W illustrations; spine uncreased; bottom back corner lightly creased; name crossed out in black pen on inside of front cover (a date remains); otherwise, a clean, tidy copy. Photo:http://cibimages.blob.core.windows.net/img-1/stand_81582_jpg.jpg. ISBN: 0471924253

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