Dellinger, Susan. Psycho-geometrics : how to use geometric psychology to influence people / Susan Dellinger. - Englewood Cliffs, N.J. : Prentice Hall, c1989. - xviii, 204 p. : ill. ISBN: 0137328354 (pbk.) LCCN: 91065020 Subjects--Topical Terms: Personality.Individual differences.Interpersonal communication.Interpersonal relations.