Soil color : proceedings of a symposium sponsored by Divisions S-5 and S-9 of the Soil Science Society of America in San Antonio, Texas, 21-26 Oct. 1990


· editors J.M. Bigham and E.J. Ciolkosz ; organizing committee, J.M. Bigham ; editor-in-chief SSSA, R.J. Luxmoore
Bok Engelsk 1993

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