TY  - JOUR
A1  - Qian, Z.
T1  - Changes in Assortative Mating. The Impact of Age and Education, 1970, 1990
Y1  - 1998
DO  - 10.2307/3004036
JF  - Demography
VL  - 35
IS  - 3
SP  - 279
EP  - -292

ER  -