TY  - JOUR
TI  - Investigating Causal Relations by Econometric Models and Cross-spectral Methods
AU  - Clive W. J. Granger
JO  - Econometrica
PY  - 1969
VL  - 37
IS  - 3
DO  - 10.2307/1912791
UR  - https://doi.org/10.2307/1912791
ER  -