Astronomy 1 – Winter 2011 Lecture 18; February 16 2011.
Astronomy 1 – Winter 2011 Lecture 19; February 23 2011.
Asteroids Comets Meteors 2008 — 13-18 July 2008, Baltimore Recent observations of the OH 18-cm lines in comets with the Nançay radio telescope J. Crovisier,
