References

• Hurley K., 1999, in: Bazzano A. (ed.), Proc. 3rd INTEGRAL Workshop "The Extreme Universe'', astro-ph/9812053
• Mereghetti S., et al., 1999, in: Bazzano A. (ed.), Proc. 3rd INTEGRAL Workshop "The Extreme Universe''
• Pedersen H., Jennings D., Mereghetti S., Teegarden B., 1997, in: Winkler C., Courvoisier T.J.-L. and Durouchoux P. (eds.), Proc. 2nd INTEGRAL Workshop, "The Transparent Universe"
• Teegarden B.J., Sturner S.J., 1999, in: Bazzano A. (ed.), Proc. 3rd INTEGRAL Workshop "The Extreme Universe"
• Winkler C., 1997, in: Winkler C., Courvoisier T.J.-L. and Durouchoux P. (eds.), Proc. 2nd INTEGRAL Workshop, "The Transparent Universe"