@book{19859,
	author = {CLARK D.},
	title = {PLANE AND GEODETIC SURVEYING : PLANE SURVEYING VOL. I},
	publisher = {CBS PUBLISHERS & DIST. PVT. LTD.},
	year = {1983, R.P. 2004},
	edition = {6},
	note = {S/SI/18-19/5006}
}