H. K. Kallmann-Bijl

Variations of atmospheric properties with time and solar activity

H. K. Kallmann-Bijl, 1962 .

Diurnal variation of temperature and particle density between ∼100 km and ∼500 km☆

W. L. Sibley, H. K. Kallmann-Bijl, 1963 .

Daytime and nighttime atmospheric properties derived from rocket and satellite observations

H. K. Kallmann-Bijl, 1961 .

Scientific use of an artificial satellite

W. Kellogg, H. K. Kallmann-Bijl, 1955 .