@book{19950,
	author = {Maitra, Bhargab},
	title = {Introduction to Transportation Engineering:},
	publisher = {Indian Insitiute of Technology},
	address = {Kharagpur},
	url = {http://video.snu.edu.in/index.php?id=527&cat=Civil Engineering&course=Introduction to Transportation Engineering&url=Phase1_Video/105105107/lec34.mp4}
}