*0011563539
*008090427s2009    xx#           000 0 nob
*019  $bk
*08230$a999
*100  $aGlømmen, Jon E.$_129047300
*245  $aHvor mange avanserte sivilisasjoner i Melkeveien?
*300  $aS. 112-114
*520  $aOm Drakes ligning
*600  $aDrake, Frank$_165818100
*650  $aSETI (Search for Extraterrestrial Intelligence)$9nor$2norart$_130066500
*650  $autenomjordisk$aintelligens$2norart$_12366000
*773  $tKapital$gÅrg. 39, nr. 4 (2009)$x0332-5423$w(NO-LaBS)303453(tnr)
*999  $z900448066$anorart:900448066
^