An estimate of the solar cyclic variation of the Martian upper atmosphere
Mars upper atmosphere semiempirical model, reducing density uncertainties by allowing for solar cyclic variations
Lichtenfeld, K.↗
Engineering topics
Vachon, D. N.
Publications and source records attributed to Vachon, D. N..
Design environment criteria Final report
Meteoroid concentration, radiation effects, earth albedo criteria, and geomagnetism affecting spacecraft design
Vachon, D. N.↗
An estimate of the solar cyclic variation of the Martian upper atmosphere
Mathematical model for estimating probable cyclic variations in Martian atmosphere during solar activity
Lichtenfeld, K.↗