1 matching record(s)
file W (Stack)Ditisheim, Paul
"Chronometres observes au hautes altitudes et dans le gaz hydrogene"
offprint from Report of the meetings of Societe suisse de Geophysique, Meteorologie et Astronomie (G.M.A.), {?1923}. Read at the meeting at Zermatt, 31 August, 1923.
[Unknown]
1923