Francoeur, Robert T., The future of sexual relations, [electronic resource] / edited by Robert T. and Anna K. Francoeur.. — Englewood Cliffs, N.J., : Prentice-Hall, [1974]. — x, 150 p. 21 cm. — (The Human futures series)(A Spectrum book). Bibliography: p. 149-150. ISBN: 0133459187 9780133459180 0133459004 (pbk.) 9780133459005 (pbk.) LCCN: 74019201 Subjects--Topical Terms: Sex customs.Marriage.Sex (Psychology)Sexualité (Psychologie)Vie sexuelle.Mariage. LC Class. No.: HQ21 / .F76 Dewey Class. No.: 301.41