Citation:
Bersier D, Stanek K Z, Winn J N, Grav T, Holman M J, Matheson T, Mochejska B, Steeghs D, Walker A R, Garnavich P M, et al. The Unusual Optical Afterglow of the Gamma-Ray Burst GRB 021004: Color Changes and Short-Timescale Variability. \apjl. 2003;584 (2) :L43-L46.