I. Flux and color variations of the quadruply imaged quasar HE 0435-1223
I. Intensive Optical Monitoring of the BL Lac object PKS 2155-304: the July 1998 campaign. II. Optical Polarization of PKS 2155-304
I. UBV photometry of selected members of the Pleiades and Alpha Persei clusters in 1999
I0-Jupiter system: A unique case of Moon-Planet interaction
IAC-pop: Finding the Star Formation History of Resolved Galaxies
IAC-Star: a Code for Synthetic Color-Magnitude Diagram Computation
IACATS. Atmosphere and multiple telescopes simulator
IACT observations of gamma-ray bursts: prospects for the Cherenkov Telescope Array
IACUB - a New Echelle Spectrograph for Use at the Observatorio del Roque-De
Iapetus
Iapetus surface variability revealed from statistical clustering of a VIMS mosaic
IAU (Maser) Symposium 285 Summary
IAU 177 - A week in review
IAU 242 closing summary
IAU announcement
IAU Colloquium No. 134 nonlinear phenomena in stellar variability
IAU Colloquium on UV and X-ray Spectroscopy of Astrophysical and Laboratory Plasmas, 102nd, Beaulieu-sur-Mer, France, Sept. 9-11, 1987, Proceedings
IAU Commission 35 Stellar Constitution - Triennial report 2009-2011
IAU Initiatives Relating to the Near-Earth Object Impact Hazard
IAU Planet Definition: Some Confusions and Their Modifications