TY - JOUR TI - Tests of the Hypothesis That a Linear Regression System Obeys Two Separate Regimes AU - Richard E. Quandt JO - Journal of the American Statistical Association PY - 1960 VL - 55 IS - 290 DO - 10.1080/01621459.1960.10482067 UR - https://doi.org/10.1080/01621459.1960.10482067 ER -