Milne, P. H. Basic programs for land survey / P.H. Milne - London : E & FN Spon, 1984 - 442 p. : ill. ; 24 cm. ISBN: 0419130101 LCCN: 84-1296 Subjects--Topical Terms: Surveying--Computer programsBASIC (Computer program language)Apple II (Computer)--Programming