International clay conference : proceedings of the 6th international clay conference, Oxford, 10-14 July, 1978 / edited by M.M. Mortland and V.C. Farmer
International clay conference : proceedings of the 6th international clay conference, Oxford, 10-14 July, 1978 / edited by M.M. Mortland and V.C. Farmer - - Amsterdam Elsevier Scientific Pub., 1979 - xiv,662 p. 24 cm - .
0-444-41773-78
Clay minerals-Congresses
553.61 Int:6:78