Entwined lives :
Segal, Nancy L., 1951-
Entwined lives : twins and what they tell us about human behavior / Nancy L. Segal. - New York : Dutton, c1999. - xx, 396 p. : ill. ; 25 cm. - 155.44/4 .
Includes bibliographical references (p. [338]-386) and index.
0525944656 (alk. paper)
Twins--Psychology.
Nature and nurture.
155.44/4
Entwined lives : twins and what they tell us about human behavior / Nancy L. Segal. - New York : Dutton, c1999. - xx, 396 p. : ill. ; 25 cm. - 155.44/4 .
Includes bibliographical references (p. [338]-386) and index.
0525944656 (alk. paper)
Twins--Psychology.
Nature and nurture.
155.44/4