*0011580688
*008910416s1990    xx#           000 0 nob
*019  $bk
*08230$a621.402
*100  $aPehrson, Robert$_145009100
*245  $aOptimalisering av varmevekslere$cav Robert Pehrson
*300  $aS. 26, 28-30 : ill.
*773  $tNorsk energi$gÅrg. 67, nr 3 (1990)$x0800-7896$w(NO-LaBS)277423(tnr)
*999  $z9100128537$anorart:9100128537
^