International clay conference,1978 : proceedings
MORTLAND, M.M
International clay conference,1978 : proceedings - Amsterdam 1979 - 662p - Developments in Sedimentology,27 .
CLAY MINERAL -- CONGRESSES
CLAY MINERAL -- CONGRESSES
549.6 I-5I
International clay conference,1978 : proceedings - Amsterdam 1979 - 662p - Developments in Sedimentology,27 .
CLAY MINERAL -- CONGRESSES
CLAY MINERAL -- CONGRESSES
549.6 I-5I