TY - JOUR TI - Multivariate regression models for panel data AU - Gary Chamberlain JO - Journal of Econometrics PY - 1982 VL - 18 IS - 1 DO - 10.1016/0304-4076(82)90094-x UR - https://doi.org/10.1016/0304-4076(82)90094-x ER -