@book{19974,
	author = {Bhattacharyya, S.K.},
	title = {Strength of Materials:},
	publisher = {Indian Insitiute of Technology},
	address = {Kharagpur},
	url = {http://video.snu.edu.in/index.php?id=551&cat=Civil Engineering&course=Strength of Materials&url=Phase1_Video/105105108/lec17.mp4}
}