@book{62005,
	author = {Baumol, William J.,},
	title = {Economic theory and operations analysis / },
	publisher = {Prentice-Hall, },
	year = {1978},
	series = {Prentice-Hall international series in management},
	address = {Englewood Cliffs, N.J. : },
	edition = {4th ed.}
}