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*008130321s1950    xxu           000 u eng d
*00900808cam a22002177c 4500
*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)999709099934702201
*035  $a(NO-LaBS)14140766(bibid)
*035  $a(NO-TrBIB)970909993
*035  $a970909993-47bibsys_network
*040  $aNO-TrBIB$bnob$ekatreg
*24500$aAnalytical data on reference clay materials :$bby Paul F. Kerr ...[et al.]
*260  $aNew York$bColumbia University$c1950
*300  $a160 s.$bill.
*4901 $aAPI Project 49. Clay mineral standards, Preliminary report$vno. 7
*500  $aFotografisk opptrykk fra University Microfilms International, Ann Arbor, Mich.
*7001 $aKerr, Paul F.$_24458700
*7102 $aAmerican Petroleum Institute$bProject 49$_24459000
*830 0$aAPI Project 49. Clay mineral standards, Preliminary report$vno. 7$_24459100
*901  $a60
*999  $aoai:nb.bibsys.no:999709099934702202$b2021-11-14T20:31:34Z$z999709099934702202
^