A miniature mattauch—herzog mass spectrometer for the investigation of planetary atmospheres

Angular Aberrations in Sector Shaped Electromagnetic Lenses for Focusing Beams of Charged Particles

Edgar G. Johnson, A. O. Nier · Physical Review · 1953 · 181 citations

Natural Sciences, Physics, Electromagnetics +9

A determination of the neutral composition, number density, and temperature of the upper atmosphere from 120 to 200 kilometers with rocket-borne mass spectrometers

A. E. Hedin, A. O. Nier · Journal of Geophysical Research Atmospheres · 1966 · 72 citations

Natural Sciences, Chemistry, Earth Sciences +16

An analysis of spin modulation effects on data obtained with a rocket-borne mass spectrometer

A. E. Hedin, Carlos Preston Avery, C. D. Tschetter · Journal of Geophysical Research Atmospheres · 1964 · 64 citations

Natural Sciences, Chemistry, Analytical Chemistry +9

Device for Remote Opening of a Vacuum System

R. B. Thorness, A. O. Nier · Review of Scientific Instruments · 1962 · 12 citations

Engineering, Electrical Engineering, Equipment +3