TY  - JOUR
A1  - Zeng Yi
A1  - Land, K.C.
T1  - Adjusting period tempo changes with an extension of Ryder's basic translation equation
Y1  - 2002
DO  - 10.1353/dem.2002.0022
JF  - Demography
VL  - 39
IS  - 2
SP  - 269
EP  - -285

ER  -