1. Alef, W., Preuss, E., Kellermann, K. I., Wu, S. Y. & Qiu, Y. H. 1994, in Compact Extragalactic Radio Sources, ed. J. A. Zensus & K. I. Kellermann (Green Bank, MD: NRAO), 55
2. Is every quasar beamed?
3. Understanding the Kiloparsec-Scale Structure of M87
4. Biretta, J. A. 1994, in Astrophysical Jets, ed. D. Burgarella, M. Livio, & C. P. O’Dea (Cambridge: Cambridge Univ. Press), 263
5. Biretta, J. A. & Junor, W. 1995, Proc. Natl. Acad. Sci., 92, 11364 (BJ95)