Clays and clay minerals: Proc. of the 15th conf. Pittsburgh, Pennsylvania.
Bailey,S.W.
Clays and clay minerals: Proc. of the 15th conf. Pittsburgh, Pennsylvania. - Oxford Pergamon Press 1967 - 490
Geology , Mines
553.61
Clays and clay minerals: Proc. of the 15th conf. Pittsburgh, Pennsylvania. - Oxford Pergamon Press 1967 - 490
Geology , Mines
553.61