00784cam a2200241 4500 143373941 TxAuBib 20130822120000.0 710924s1967||||||||||||||||||||||||eng|u 67-013306 9780140215120 0140215123 TxAuBib Scheinfeld, Amram, 1897- Twins and supertwins / by Amram Scheinfeld ; with special editing by Arthur Falek and others ; illustrated by the author. Philadelphia : Lippincott, 1967. 292 p. : ill. ; 24 cm. Includes index. Bibliography: p. 277-285. 20130822. Twins Psychology. Child development.