Transiting planets : proceedings of the 253th [i.e. 253rd] symposium of the International Astronomical Union held in Cambridge, Massachussets [i.e. Massachusetts] (USA) : May 19-23, 2008. : IAU symposium no. 253 : IAUS253 : IAU meeting : May 2008, Cambridge, MA.
Transiting planets : proceedings of the International Astronomical Union : IAU symposium 253 : 19-23 May 2008, Cambridge, Massachussets [i.e. Massachusetts], USA