TY  - JOUR
A1  - Duncan, G.
A1  - Kalton, G.
T1  - Issues of design and analysis of surveys across time
Y1  - 1987
DO  - 10.2307/1403273
JF  - International Statistical Review
VL  - 55
IS  - 1
SP  - 97
EP  - -117

ER  -