Webster, Alfred P. Mathematics for carpentry and the construction trades / Alfred P. Webster, Kathryn Bright Judy. - Englewood Cliffs, N.J. : Prentice-Hall, c1989. - viii, 279 p. : ill. ISBN: 0135623316 LCCN: 66061797 Subjects--Topical Terms: Carpentry--Mathematics.Building--Mathematics.