@book{3119,
	author = {Skidmore, Alexandra and Hale, Margie},
	title = {A Guided Tour of Elementary Differential Equations },
	publisher = {Prentice Hall College Div,},
	year = {1998.},
	address = {USA:},
	url = {http://10.10.170.122:8080/browse/book/27444}
}