*0011594942
*008920522s1992    xx#           000 0 eng
*019  $bk
*08230$a623.89
*100  $aKjerstad, Norvald$_153201400
*245  $aNavigation conditions on the NSR$bexperiences from a transit voyage, September 1991
*300  $aS. 116-120
*773  $tInternational challenges$gVol. 12, no. 1 (1992)$x0801-4914$w(NO-LaBS)76514(tnr)
*999  $z9200142828$anorart:9200142828
^