Contributed By: sai kiran malepati
Course: btech
College/Institute/Organization: K.L.University
Department/Designation: electronics and communication 
Book Title: SURVYNG AND LEVELLING 
Author: N.N.BASAK
Publisher: TATA MCGRAW HILL EDUCATION PRIVATE LTD,NEW DELHI
Year of publication: 1994
Isbn: 978-0-07-460399-4
Edition: 1ST EDITION