Milligan, W. O. (1955). Clays and clay minerals: Proceedings of the Third National Conference on Clays and Clay Minerals : the Rice Institute, Houston, Texas, October 26-29, 1954. National Academy of Sciences--National Research Council.
Cita Chicago (17th ed.)Milligan, Winfred Oliver. Clays and Clay Minerals: Proceedings of the Third National Conference on Clays and Clay Minerals : The Rice Institute, Houston, Texas, October 26-29, 1954. Washinton, D.C.: National Academy of Sciences--National Research Council, 1955.
Cita MLA (8th ed.)Milligan, Winfred Oliver. Clays and Clay Minerals: Proceedings of the Third National Conference on Clays and Clay Minerals : The Rice Institute, Houston, Texas, October 26-29, 1954. National Academy of Sciences--National Research Council, 1955.