1. Minkowski's footprint revisited
2. Balick, B. 1999, in Optical and Infrared Spectroscopy of Circumstellar Matter, eds. E. Guenther, B. Stecklum, & S. Klose, ASP Conf. Ser., 188, 241
3. Shapes and Shaping of Planetary Nebulae
4. Balick, B., Icke, V., Mellema, G., & NASA. 1997, in NASA press release, ed. NASA, NASA press release, GRIN DataBase Number: GPN–2000–000953