000 00499 a2200265 4500
001 1005181
020 _a7
041 _aeng
080 _a553.61 Cla:7:58
245 _aClays and clay minerals
250 _a
260 _aLondon
260 _bPergamon Press,
260 _c1960
300 _aix,369 p.
300 _c23.5 cm
490 _a
100 _a
700 _a
650 _a
650 _aClay minerals-Congresses
650 _aClay-Congresses
942 _cBK
942 _2UDC
999 _c33445
_d33445