Alternatives to Mobile Keypad Design: Improved Text Feed

Alternatives to speech in low bit rate communication systems

Alternatives to the Journal Impact Factor: I3 and the Top-10% (or Top-25%?) of the Most-Highly Cited Papers

Altimeter measurements of the volume transport through the drake passage

Altimetry and lidar using AlGaAs lasers modulated with pseudo-random codes

Altimetry with dual-satellite crossovers.

Altimetry, orbits and tides

Altitude and latitude variations of various cosmic ray components observed by airborne detectors

Altitude cuing effectiveness of terrain texture characteristics in simulated low-altitude flight

Altitude dependence of H changes at Magsat altitudes (325-550 km)

Altitude dependent neutral wind effects on the nonlinear motion of a small barium cloud

Altitude distribution of vibrationally excited states of atmospheric hydroxyl at levels v = 2 to v = 7

Altitude distributions of O2 atmospheric and OH Meinel emissions in the nightglow

Altitude extension of auroral potential structures by event-based and statistical studies

Altitude profile of aerosols on Mars from measurements of its thermal radiation on limb

Altitude Profiles of Plasma Density in the Trough Region derived from Radio Plasma Imager Observations on the Image Spacecraft

Altitude profiles of the Atmospheric System of O2 and of the green line emission

Altitude profiles of the photoelectron induced O 1D /6300 A/ predawn enhancement by observation and theory

Altitude variation of ultraviolet oxygen night airglow

Altitude variations of cosmic-ray soft and hard components observed by airborne detectors