*0011543345
*008891013s1989    xx#           000 0 eng
*019  $bk
*08230$a621.94
*100  $aRygg, Nils O.$_165091700
*245  $aRotary-pressure sounding$b20 years of experience$cNils O. Rygg, Arild Aa. Andresen
*300  $aS. 1-[5] : ill.
*700  $aAndresen, Arild Aa.$_164627300
*773  $tPublikasjon / Norges geotekniske institutt$gnr 177 (1989)$x0078-1193$w(NO-LaBS)529319(tnr)
*999  $z8900110304$anorart:8900110304
^