*0011265766
*008171107s2017    xx#           000 0 nob
*019  $bk
*08230$a629.455
*100  $aThorbjørnsen, Ragnar$4aut$_136813900
*245  $aStrategier for interplanetarisk romfart
*300  $aS. 28-31 : ill.
*650  $abemannede romferder$9nor$2norart$_129247600
*650  $aplanetferder$9nor$2norart$_148522500
*773  $tRomfart$gÅrg. 47, nr. 3 = Nr. 183 (2017)$x1502-5276$w(NO-LaBS)242697(tnr)
*999  $z1700619526$anorart:1700619526
^