*0011490129
*008840103s1983    xx#           000 0 eng
*019  $bk
*08230$a665
*100  $aRausand, Marvin$_157498900
*245  $aReliability studies of downhole safety valves$cby M. Rausand and G.Engen
*300  $aS.23-33
*700  $aEngen, Gudmund$_163426400
*773  $tNorwegian maritime research$gVol.11, no.3 (1983)$x0304-1743$w(NO-LaBS)259975(tnr)
*999  $z8400057780$anorart:8400057780
^