@book{75456,
	author = {Punmia,B.C.},
	title = {Surveying /},
	publisher = {Laxmi Publications},
	year = {2012 (reprint)},
	address = {New Delhi},
	edition = {12th rev ed.},
	note = {vol. I 16th edition, vol. II &III 15th editon}
}