IY UMa: accretion disc evolution after superoutburst
IYA Resources From The Harvard Smithsonian Center For Astrophysics
IYA2009 NASA Programs: Midyear Status
IZ Photometry of L dwarfs and the implications for brown dwarf surevys
IZw1 observed with XMM-Newton: Low-energy spectral complexity, iron lines, and hard X-ray flares
IZw18, or the picture of Dorian Gray: the more you watch it, the older it gets