*0011527442
*008880318s1981    xx#           000 0 eng
*019  $bk
*08230$a526
*100  $aHolsen, Jon$_140481500
*245  $aThe equivalence between angles and directions and the adjustment of incomplete direction observations
*300  $aS.165-172
*773  $tKart og plan$gB. 41, årg.73, nr.2 (1981)$x0047-3278$w(NO-LaBS)588075(tnr)
*999  $z8800038150$anorart:8800038150
^