@book{1990,
	author = {Muhammad Aslam, Maj},
	title = {Study of in Service Expansion Joints with Special Emphasis on Performance Condition Waterproofing Causes of Failure and Repairing / Retrofitting Techniques [MS Thesis] /},
	publisher = {National Institute of Transportation,},
	year = {2001},
	address = {Risalpur :}
}