共 18 条
[11]
NICHOLS RC, 1966, NATIONAL MERIT SCHOL, V2, P1
[12]
GENETIC CONTRIBUTIONS TO MORPHOLOGICAL AND BEHAVIORAL SIMILARITIES AMONG SIBS AND DIZYGOTIC TWINS - LINKAGES AND ALLELIC DIFFERENCES
[J].
SOCIAL BIOLOGY,
1972, 19 (02)
:185-192
[13]
PLOMIN R, 1974, THESIS U TEXAS
[14]
SHIELDS J, 1973, HDB ABNORMAL PSYCHOL, P540
[15]
SHIELDS J, 1962, MONOZYGOTIC TWINS
[16]
SMITH RT, 1965, METHODS GOALS HUMAN, P45
[18]
WILLERMAN L, 1973, CHILD DEV, V44, P288