TY - JOUR A1 - Gasser, T. A1 - Kneip, A. A1 - Kohler, W. T1 - A flexible and fast method for automatic smoothing Y1 - 1991 DO - 10.2307/2290393 JF - Journal of the American Statistical Association VL - 86 IS - 415 SP - 643 EP - -652 ER -