Normal view MARC view ISBD view

Koch, Helen Lois, 1895-

Twins and twin relations, by Helen L. Koch. - Chicago, University of Chicago Press [1966] - xvi, 302 p. 25 cm.

Bibliography: p. 281-292.

LCCN: 66020591

Subjects--Topical Terms:
Twins--Psychology.

LC Class. No.: BF723.T9 / K6