Ray, William J., 1945- Methods toward a science of behavior and experience / William J. Ray. - 5th ed. - Pacific Grove, Calif. : Brooks/Cole Pub. Co., 1997. - xxvii, 476 p. : ill. ; 25 cm. ISBN: 0534203469 LCCN: 96012020 LC Class. No.: BF76.5 .R38 1997 / .R38 1997 Dewey Class. No.: 150/.72