*0011552065
*008900611s1990    xx#           000 0 nob
*019  $bk
*08230$a522.194821
*100  $aPettersen, Bjørn Ragnvald$_131282300
*245  $a"Kikkert-Olsens" folkeobservatorium i Slottsparken$cBjørn Ragnvald Pettersen
*300  $aS. 2-12 : ill.
*600  $aOlsen, Christian Holberg Gran$_165325400
*651  $aOslo$_10203400
*773  $tByminner : tidsskrift for Oslo museum$gnr 1 (1990)$x0007-7631$w(NO-LaBS)560279(tnr)
*999  $z9000119848$anorart:9000119848
^