https://catalogue-scientifique.canada.ca/record=1391388~S6*frc
Rechercher Berthel, Robert O; Rechercher Banta, Robert M; Rechercher Plank, Vernon G; Rechercher Berthel, R. O; Rechercher Plank, V. G
Atmospheric Sciences Division, Air Force Geophysics Laboratory, 1987
Publication gouvernementale