La Putt, Juny Pilapil, Elementary surveying Juny Pilapil La Putt - 3rd Edition - Baguio City : Baguio Research & Publishing Center, 1987. - 643 pages : graphs, tables ; 22 cm. Includes Index, Includes Bibliography pages (637-638). ISBN: 9710855816 Subjects--Topical Terms: Surveying--Handbooks, manuals, etc. Dewey Class. No.: 526.3 / L319e