@book{1340,
	author = {Bell, F. G.},
	title = {Engineering Geology },
	publisher = {Butterworth-Heinemann,},
	year = {2007.},
	address = {Amsterdam :},
	edition = {2nd ed.},
	url = {https://books.google.com.pk/books?id=Izm6IUVDBcUC&printsec=frontcover&dq=Engineering+geology&hl=en&sa=X&redir_esc=y#v=onepage&q=Engineering%20geology&f=false}
}