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Agricultural utilization of urban and industrial by-products : proceedings of a symposium sponsored by Divisions S-6 and S-7 of the Soil Science Society of America and A-5 of the American Society of Agronomy in Cincinnati, Ohio, 7-12 Nov. 1993
editors, D.L. Karlen, R.J. Wright, and W.O. Kemper ; organizing committee, D.L. Karlan and W.D. Kemper ; editor[s]-in-chief, Gary A. Peterson, P.S. Baenziger, Robert J. Luxmoore