Walter Fricke

Walter Ernst Fricke was a distinguished German professor of theoretical astronomy at the University of Heidelberg. He was a mathematician and cryptanalyst during World War II at the Wehrmacht signals intelligence agency, Inspectorate 7/VI from 1941 to 1942
Ebooks
Literature 1970, Part 1
Book 3
Literature 1985, Part 2
Book 40
Astronomy and Astrophysics Abstracts: Literature 1983, Part 2
Book 34
Literature 1984, Part 2
Book 38
Astronomy and Astrophysics Abstracts: Literature 1982, Part 1
Book 31
Literature 1981, Part 2: A Publication of the Astronomisches Rechen-Institut Heidelberg Member of the Abstracting Board of the International Council of Scientific Unions Astronomy and Astrophysics Abstracts is Prepared Under the Auspices of the International Astronomical Union
Book 30
Literature 1983, Part 1
Book 33
Literature 1977, Part 2
Book 20
Literature 1974, Part 2
Book 12
Literature 1984, Part 1
Book 37
Literature 1975, Part 1
Book 13
Author and Subject Indexes to Volumes 1–10 Literature 1969–1973
Literature 1971, Part 2
Book 6
Literature 1975, Part 2
Book 14
Literature 1978, Part 1
Book 21
Literature 1972, Part 1
Book 7
Literature 1976, Part 1
Book 17
Literature 1969, Part 2
Book 2
Literature 1973, Part 2
Der Einfluß eines widerstehenden Mittels in der Dynamik dichter Sternsysteme