@book{11254,
	author = {Rai, G.D},
	title = {Solar Energy Utilization: A Textbook for Engineering Students},
	publisher = {Khanna Publishers,},
	year = {2008.},
	address = {New Delhi:},
	url = {http://books.google.com.pk/books/about/Solar_Energy_Utilization.html?id=MOKxXwAACAAJ&redir_esc=y}
}