@ARTICLE {GALLEZ:1976, title = {Surface and charge characteristics of selected soils in the tropics}, author = {Gallez, A. and Juo, A. S. R. and Herbillon, A. J. }, journal = {Soil Science Society of America Journal}, year = {1976}, volume = {40}, number = {4}, pages = {601--608}, issn = {0361-5995}, note = {IITA Journal Series, No. 56}, doi = {10.2136/sssaj1976.03615995004000040039x}, }