000 00617 a2200253 4500
001 501
020 _a0-444-41773-78
041 _aeng
080 _a553.61 Int:6:78
245 _aInternational clay conference : proceedings of the 6th international clay conference, Oxford, 10-14 July, 1978 / edited by M.M. Mortland and V.C. Farmer
250 _a
260 _aAmsterdam
260 _bElsevier Scientific Pub.,
260 _c1979
300 _axiv,662 p.
300 _c24 cm
490 _a
100 _a
700 _a
650 _a
650 _aClay minerals-Congresses
942 _cBK
942 _2UDC
999 _c550
_d550