@book{3241,
	author = {Murphy, Raymond},
	title = {Essential English Grammar - a self-study reference and practice book for elementary students of English},
	publisher = {Cambridge University Press,},
	year = {2008.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	url = {http://10.10.170.122:8080/browse/book/497}
}