Atomic oxygen concentrations from airglow measurements of atomic and molecular oxygen emissions in the nightglow

Atomic oxygen concentrations from OH and O2 nightglow measurements

Atomic oxygen depletion in the vicinity of noctilucent clouds

Atomic oxygen determination from a nitric oxide point release in the equatorial lower thermosphere

Atomic oxygen distributions in the Venus thermosphere: Comparisons between Venus Express observations and global model simulations

Atomic oxygen emission at 63 microns as a cooling mechanism in the thermosphere and ionosphere

Atomic oxygen modeling in the upper thermosphere

Atomic oxygen transport in the thermosphere

Atomic Processes, Theories, and Data for X-Ray Astronomy

Atomic Standards of Frequency and the Second of Ephemeris Time

Atomic time and frequency standards development at Shanghai Observatory, China

Atomic Time Scales

Atomic transition probabilities in RuI

Atomicity Improvement for Elliptic Curve Scalar Multiplication

Atoms and Molecules in Supernova 1987A.

ATP and Presentation Service for Mizar Formalizations

ATP system target for performance scoring

ATR Infrared Spectrometer for Planetary Exploration

ATS-6 radio beacon experiment

ATTac-2000: An Adaptive Autonomous Bidding Agent