@book{2502,
	author = {Silberberg, Eugene.},
	title = {The structure of economics :},
	publisher = {McGraw-Hill, Inc.},
	year = {c1990.},
	address = {New York :},
	edition = {2nd ed.},
	note = {Includes bibliographical references and index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0602/89077264-d.html}
}