@book{16434,
	author = {Bhattacharjee B. },
	title = {Civil Engineering : Civil Engineering - Building materials and Construction},
	publisher = {Indian Insitiute of Technology},
	address = {Delhi},
	url = {http://video.snu.edu.in/index.php?id=214&cat=Civil Engineering&course=Civil Engineering - Building materials and Construction&url=Phase1_Video/105102088/lec19.mp4}
}