000 nam a22 a 4500
999 _c777
_d777
001 BD-DhNSU-777
003 BD-DhNSU
005 20190402094418.0
008 190402s1972 enk||||g |||| 001 0|eng d
010 _a
020 _a
040 _aDLC
_cDLC
_dBD-DhNSU
041 _aeng
050 0 0 _aHB848
_b. 1972
100 1 _aKenny, David A.
245 0 4 _aThe measurement and explanation of population effects :
_bsex differences in mathematics and science in a longitudinal study /
_cDavid A. Kenny
260 _aLondon :
_bNorthwestern University,
_cc1972.
300 _a114p. :
_c23 cm.
650 0 _aMathematics
650 4 _aPopulation
942 _2lcc
_cBK