3.3-micron spectra of four IRAS sources

3.3-Millimeter Observations of the June 30, 1973 Total Solar Eclipse

3.3-mm observations of Venus in 1964

3.3-μm spectroscopy with IRSPEC.

3.4 Micron Emission from Aliphatic Hydrocarbons in Proto-Planetary Nebulae

3.4 micron emission from ultraviolet excitation of alkanes

3.4 Micron Feature on the Shoulder of Ice-Band Absorptions in Three Luminous Young Stellar Objects: IRAS 18511+0146, IRAS 21413+5442, and IRAS 04579+4703

3.4 μm Absorption in Interplanetary Dust Particles: Evidence for Indigenous Hydrocarbons and a Further Link to Comet Halley

3.4- and 1.4-mm Observations of the Lunar Eclipse on 18 October 1967

3.4-Billion-Year-Old Biogenic Pyrites from Barberton, South Africa: Sulfur Isotope Evidence

3.4-MM Observations of the Quasi-Stellar Radio Source 3c 279.

3.45 b.y.-old microbial associations in cherts from the Pilbara: lessons for potential Martian life

3.46Ga seafloor hydrothermal alteration as a CO2 sink

3.5 keV X-ray Emission in Absence of Flares

3.5 MM depression features associated with H-alpha 'disparitions brusques'

3.5 THz Surface Emitting Distributed Feedback QCL Operated at 70 K as Local Oscillator

3.5-cm Imaging of the Mercury North Polar Radar-Bright Features

3.5-m telescope completed

3.5billion years of glass bioalteration: Volcanic rocks as a basis for microbial life?

3.5m mirror project at NOAO