00825nam a22002657a 4500 CHAP 20220329135059.0 971013s1959 r 10010 d 30619 31591 35703 CHAP 553.6106 N38 1957 National Conference on Clays and Clays Minerals ( 6 : Berkeley : 1957). 80328 Clays and clay minerals ; proceedings of the sixth... New York : Pergamon, 1959 411 p. : ilus. BATCH-UPD 10 20130110 UCH01 1438 CONVERSION 10 20130109 UCH01 1317 Arcilla. 6822 Arcilla Industria. 6825 BK LIBRO 553.6106 N38 1957 BC LIBRO 33724000657938 LIBRO 7912 35703 i 30619 30619 0 0 ddc 0 2 0 GRAL BC BC PA_GRAL 2019-12-31 LIBRO 0 553.6106 N38 1957 33724000657938 2019-12-31 00:00:00 2019-12-31 LIBRO