2 + 1 quantum gravity as a toy model for the 3 + 1 theory
2 - 14 µm stellar spectrophotometry II. Stars from the 2 µm infrared sky survey.
2 - 14 µm stellar spectrophotometry III. AFCRL Sky Survey objects.
2 - 14 µm stellar spectrophotometry. I. Stars of the conventional spectral sequence.
2 - 165 keV observations of active galaxies from HEAO-1.
2 - 4 Micron Spectrophotometry of Polarized Compact Infrared Sources
2 - 4 µ spectrophotometric observations of the galactic center.
2 - Cosmic Organic Polymers
2 centimeter H2CO emission in the Rho Ophiuchi cloud
2 Ceti and lambda Eridani
2 MASS Near-Infrared Imaging of the Supernova Remnant IC443
2 micron spectroscopy of nearby galaxies and evidence for a late-phase starburst in NGC 4736
2 micron spectroscopy of the nucleus of NGC 1068
2 micron Spectroscopy within 0.3 arcseconds of SgrA*
2 Micron Spectroscopy within 0.3" of Sagittarius A*
2 microns Spectroscopy of Shrouded Young Massive Stars
2 Millimeter Dust around NGC 7538, IRS 1, 2, and 3: I. Unfilled Structure of Dust Cloud
2 Millimeter Observations of Bright-rimmed Clouds with IRAS Point Sources
2 Msec and counting: an unprecedented look at a black-hole transient in outburst
2 MU M Spectroscopy of Young Massive Stars in M17