00779nam a22002537a 4500 CHAP 20220329135059.0 971013s1960 r 10010 d 30623 31595 35707 CHAP 553.6106 N38 1959 National Conference on Clays and Clay Minerals ( 8 : 1959 : Norman) 80326 Clays and clay minerals ; proceedings of the eigth... New York : Pergamon, 1960 292 p. : ilus. BATCH-UPD 10 20130110 UCH01 1438 CONVERSION 10 20130109 UCH01 1317 Arcilla. 6822 BK LIBRO 553.6106 N38 1959 BC LIBRO 33724000477865 LIBRO 7914 35707 i 30623 30623 0 0 ddc 0 2 0 GRAL BC BC PA_GRAL 2019-12-31 LIBRO 0 553.6106 N38 1959 33724000477865 2019-12-31 00:00:00 2019-12-31 LIBRO