1. Arnaud, K. A. 1996, ASP Conf. Ser. 101, Astronomical Data Analysis Software and Systems V, ed. G. H. Jacoby & J. Barnes (San Francisco: ASP), 17
2. Broos, P. S., Townsley, L. K., Getman, K. & Bauer, F. E. 2002, ACIS Extract, An ACIS Point Source Extraction Package (University Park: Pennsylvania State Univ.)
3. Flux variations of QSO 0957 + 561 A, B and image splitting by stars near the light path
4. Direct Detection of Cold Dark Matter Substructure
5. H I in the Galaxy