TY  - JOUR
A1  - Li, N.
A1  - Tuljapurkar, S.
T1  - Population momentum for gradual demographic transitions
Y1  - 1999
DO  - 10.1080/00324720308078
JF  - Population Studies
VL  - 53
IS  - 2
SP  - 255
EP  - -262

ER  -