Robuta

https://gcn.nasa.gov/circulars/1025 GCN - Circulars - 1025 - GRB010220, field photometry gcn circulars field photometry https://gcn.nasa.gov/circulars/956 GCN - Circulars - 956 - GRB010220: BeppoSAX WFC and GRBM preliminary data gcn circulars bepposax wfc preliminary https://gcn.nasa.gov/circulars/958 GCN - Circulars - 958 - GRB010220, Radio and Optical Observations gcn circulars radio optical observations