2+1 dimensional solution of Einstein Cartan equations

2+1 Gravity and Closed Time-Like Curves

2+1 gravity with positive cosmological constant in LQG: a proposal for the physical state

2+1 gravity, chaos and time machines

2+1 Quantum Gravity with Barbero-Immirzi like parameter on Toric Spatial Foliation

2+1 Sector of 3+1 Gravity

2+1-dimensional black holes with momentum and angular momentum

2+1-dimensional electrically charged black holes in Einstein - Power Maxwell Theory

2+1-Gravity and The Embedding its Dynamiycal Symmetry and Para-Supersymmetry into SO(4,c) Group

2,700 Mc./s. Solar Patrol at the Dominion Radio Astrophysical Observatory Penticton, B.C.

2- to 6-THz heterodyne receiver array for the Stratospheric Observatory for Infrared Astronomy (SOFIA)

2- μm Pioneer Venus OIR Observations.

2--14 microns Spectroscopy of Vega-type Stars

2-10 keV luminosity of high-mass binaries as a gauge of ongoing star-formation rate

2-10 keV spectra of Crab-like SNR's as observed by EXOSAT

2-100 keV Spectrum of an Actively Star Forming Galaxy

2-12.5 micron imaging of IRAS 21282+5050 - The structure of a young planetary nebula

2-12.5\micron Imaging of \iras 21282+5050: The Structure of a Young Planetary Nebula

2-13μ CVF Observations of Comet Halley

2-165 keV observations of active galaxies and the diffuse background