@book{9198,
	author = {Theraja, B.L},
	title = {A Text Book of Engineering Physics: Heat, Light, Sound and Thermodynamics },
	publisher = {S.Chand,},
	year = {1995.},
	address = {India:},
	url = {http://books.google.com.pk/books/about/A_Text_Book_of_Engineering_Physics.html?id=PvV9HAAACAAJ&redir_esc=y}
}