@book{17126,
	author = {Lohani Bharat },
	title = {Civil Engineering : Surveying / },
	publisher = {Indian Insitiute of Technology},
	address = {Kanpur},
	url = {http://video.snu.edu.in/index.php?id=394&cat=Civil Engineering&course=Surveying&url=Phase1_Video/105104101/lec39.mp4}
}