... The determination of the wave length of the green line o f the auroral spectrum.
Series: Geofysiske publikaioner; vol. II no. 5
Publisher: I kommission hos Cammermeyers boghandel
Published: 1922
Place of publication: Kristiania
Language: eng
Number of pages: 11
Subjects: Auroras.
Notes: At head of title: ... L. Vergard.