1. Optimal addition of images for detection and photometry
2. An image restoration technique for the removal of cosmic-ray hits from dithered images
3. Kendall, M. G. & Stuart, A. 1967, The Advanced Theory of Statistics, Vol. 2 (2d ed.; New York: Hafner)
4. Murtagh, F. D. 1992, in ASP Conf. Ser. 25, Astronomical Data Analysis, Software and Systems I, ed. D. M. Worrall, C. Biemesderfer, & J. Barnes (San Francisco: ASP), 265