TY  - JOUR
TI  - Optimal Replacement of GMC Bus Engines: An Empirical Model of Harold Zurcher
AU  - John Rust
JO  - Econometrica
PY  - 1987
VL  - 55
IS  - 5
DO  - 10.2307/1911259
UR  - https://doi.org/10.2307/1911259
ER  -