00384nam a2200133Ia 4500008004100000082001600041100002100057245006100078260003700139300000800176650003400184650001800218653001400236170901s1981    xx            000 0 und d  a526.3bP93S  aPunmia, Dr. B.C. 0aSurveyingbField Astronomy and Photogrammetric Surveying  aDelhibStandard Book Housec1981  a332  aAstronomy and allied sciences  aPure Sciences  aSurveying