@book{1448,
	author = {Ward, Andrew D. and Trimble, Stanley Wayne},
	title = {Environmental hydrology },
	publisher = {CRC Press,},
	year = {2016.},
	address = {Boca Raton :},
	edition = {3rd ed.},
	url = {https://books.google.com.pk/books?id=AmT1oAEACAAJ&dq=9781466589414&hl=en&sa=X&redir_esc=y}
}