1. Two dynamical classes of Centaurs;Bailey;Icarus,2009
2. Surface characteristics of transneptunian objects and Centaurs from photometry and spectroscopy;Barucci,2004
3. Notes on comet J 1927;Berman;Publ. Astron. Soc. Pac.,1928
4. Elements and ephemeris of comet J 1927 (Schwassmann-Wachmann);Berman,1928
5. Split comets;Boehnhardt,2004