@book{10320,
	author = {Sharma, R.K},
	title = {A Textbook of Hydrology and Water Resources Engineering},
	publisher = {Dhanpat Rai,},
	year = {1987.},
	address = {New Dehi:},
	url = {http://books.google.com.pk/books/about/A_Textbook_of_Hydrology_and_Water_Resour.html?id=p8OxtgAACAAJ&redir_esc=y}
}