@book{3294,
	author = {Thomson, A.J. and Martient, A.V.},
	title = {Practical English Grammar: exercises 1 },
	publisher = {Oxford University Press,},
	year = {1980.},
	address = {London },
	edition = {3rd ed.},
	url = {http://10.10.170.122:8080/browse/book/24135}
}