TY  - JOUR
TI  - A critique of the asset pricing theory's tests Part I: On past and potential testability of the theory
AU  - Richard W. Roll
JO  - Journal of Financial Economics
PY  - 1977
VL  - 4
IS  - 2
DO  - 10.1016/0304-405x(77)90009-5
UR  - https://doi.org/10.1016/0304-405x(77)90009-5
ER  -