Kochher, C. L. Elementory surveying and levelling : for degree 1st year & A. M. I. E. / C. L. Kochher - 4th ed. - Ludhiana : Katson Pub. House, 1973 - xvi, 430 p. : ill. ; 22 cm. Includes index ISBN: Rs. 75.00 Subjects--Topical Terms: SurveyingLevellingLength measurement Dewey Class. No.: 526.9