@book{67251,
	author = {Croxton, P. C. L. and Martin, L.H},
	title = {Solving Problems Structures: Vol - 1 },
	publisher = {John Wiley and Sons, },
	year = {1987.},
	address = {New York:},
	url = {http://10.10.170.122:8080/browse/book/29686}
}
