TY  - JOUR
A1  - Lotka, A.J.
T1  - The stability of the normal age distribution
Y1  - 1922
DO  - 10.1073/pnas.8.11.339
UR  - http://dx.doi.org/10.1073/pnas.8.11.339
VL  - 8
IS  - 11

ER  -