TY  - JOUR
A1  - Pearl, R.
A1  - Reed, L.J.
T1  - On the rate of growth of the population of the United States since 1790 and its mathematical representation
Y1  - 1920
DO  - 10.1073/pnas.6.6.275
JF  - Proceedings of the National Academy of Science
VL  - 6
IS  - 6
SP  - 275
EP  - -288

ER  -