*0011223800
*008150414s2015    xx#           000 0 nob
*019  $bk
*08230$a948.2321031
*100  $aOlsen, Per Erik$4aut$_129477300
*245  $aFredriksten festning i kamp 1657-1660
*300  $aS. 20-27 : ill.
*610  $aFredriksten festning$_24061000
*650  $a1650-tallet$9nor$2norart$_144075300
*650  $afestninger$2norart$_12181800
*650  $akriger$2norart$_34582100
*651  $aHalden$_10256000
*773  $tMilitærhistorie$gÅrg. 8, nr. 2 (2015)$x1890-5919$w(NO-LaBS)909821(tnr)
*999  $z1500577359$anorart:1500577359
^