1. Konus Catalog of Soft Gamma Repeater Activity: 1978 to 2000
2. Borkowski, J., Gotz, D., Mereghetti, S., Mowlavi, N., Shaw, S. & Turler, M. 2004, GCN Circ. 2920, http://gcn.gsfc.nasa.gov/gcn/gcn3/2920.gcn3
3. Cameron P. B., etal 2005, Nature, submitted (astro-ph/0502428)
4. Campbell, P., etal 2005, GCN Circ. 2932, http://gcn.gsfc.nasa.gov/gcn/gcn3/2932.gcn3
5. The connection between W31, SGR 1806–20, and LBV 1806–20: Distance,
extinction, and structure