00820nam a2200217ua 4500003001000000005001700010008004100027020001800068040003000086245020700116260005900323490003500382504002800417650002200445650001700467653001000484655001000494700002600504700002800530710004400558AR-SsjUCA20250716140436.0250228s1993    xxu           000 0 eng d  a0-89118-802-9  aAR-SsjUCAbspacAR-SsjUCA04aThe soil color :bproceedings of a symposium sponsored by Division S-5 and S-9 of the Soil Science Society of America in San Antonio, Texas, 21-26 Oct. 1990 /ceditors J. M. Bighan and E. J. Ciolkosz ..  aMadison, WI :bSoil Science Society of America,c1993.0 aSSSA special publication ;v31  aIncluye bibliografía. 4aCiencia del suelo 4aConferencias  aSuelo 4aTexto1 aBighan, J. M.eeditor1 aCiolkosz, E. J.eeditor2 aSoil Science Society of America. SSSA.