TY - JOUR TI - The Estimation of the Parameters of a Linear Regression System Obeying Two Separate Regimes AU - Richard E. Quandt JO - Journal of the American Statistical Association PY - 1958 VL - 53 IS - 284 DO - 10.1080/01621459.1958.10501484 UR - https://doi.org/10.1080/01621459.1958.10501484 ER -