prepared under the auspices of the International Society of Soil Science ; by P. Bullock ... [et al.] ; with a contribution from U. Babel ; with the collaboration of J. Aguilar ... [et al.]Waine Reserachc1985
Lowell A. Douglas and Michael L. Thompson, editors ; Michael L. Thompson, organizer ; Jerry M. Bigham ... [et al.], editorial committee ; David M. Kral, manageing editor ; Sherri, H. Mickelson, associate editorSoil Science Society of America1985