Twins and supertwins.
Scheinfeld, Amram
Twins and supertwins. With special editing by Arthur Falek and others. Illustrated by the author. - [1st ed.] - Philadelphia Lippincott [1967] - 292 p. illus., facsim. 24 cm.
Bibliography: p. 277-285.
0397005075
67013306
Twins--Psychology.
BF723.T9 / S3
155.44/4
Twins and supertwins. With special editing by Arthur Falek and others. Illustrated by the author. - [1st ed.] - Philadelphia Lippincott [1967] - 292 p. illus., facsim. 24 cm.
Bibliography: p. 277-285.
0397005075
67013306
Twins--Psychology.
BF723.T9 / S3
155.44/4