Dellinger, Susan Psycho-geometrics : how to use geometric psychology to influence people / Susan Dellinger. - Englewood Cliffs, New Jersey : Prentice Hall, c1989. - xviii, 204 p. : ill. ; 24 cm. Includes index. ISBN: 0137320094 Subjects--Topical Terms: Personality.Individual differences.Interpersonal communication.Interpersonal relations. LC Class. No.: BF698.3 / .D45 1989