@book{21766,
	author = {HUSAIN, S. K. and NAGARAJ, M. S.},
	title = {TEXTBOOK OF SURVEYING FORCOURSES OF ENGINEERING DEGREES, 5TH REVISED ED / },
	publisher = {S. CHAND & COMPANY LTD ، },
	year = {1992},
	address = {[S.N] : }
}