@book{20001,
	author = {Sivakumar, M.S.},
	title = {Mechanics of solids:},
	publisher = {Indian Insitiute of Technology},
	address = {Madras},
	url = {http://video.snu.edu.in/index.php?id=578&cat=Civil Engineering&course=Mechanics of solids&url=Phase1_Video/105106116/lec04.mp4}
}