@book{181015,
	author = {Clar, Lawrence M., and Hart, James A.,},
	title = {Calculus with analytic geometry for the technologies / },
	publisher = {Prentice-Hall,},
	year = {c1980.},
	series = {Prentice-Hall series in technical mathematics},
	address = {Englewood Cliffs, N.J. :}
}