000 00515 a2200265 4500
001 1005185
020 _a0
041 _aeng
080 _a553.61 Cla:10:61
245 _aClays and clay minerals
250 _a
260 _aLondon
260 _bPergamon Press,
260 _c1963
300 _axi,509 p.
300 _c23.5 cm
490 _aBSI 6726 : 1986
100 _a
700 _a
650 _a
650 _aClay minerals-Congresses
650 _aClay-Congresses
942 _cBK
942 _2UDC
999 _c33465
_d33465