00331nam a2200133Ia 4500008004100000082001400041100001700055245001400072260003700086300000800123650003400131650001800165653001400183170901s1966    xx            000 0 und d  a526bP93S  aPunmia, B.C. 0aSurveying  aDelhibStandard Book Housec1966  a539  aAstronomy and allied sciences  aPure Sciences  aSurveying