2 matching record(s)

file D (Stack)Richter, Nikolaus

"Ten Years Karl-Schwarzschild Observatory Tautenburg ..."

extract from Jena Review, 1970/6, pp. 321-325.

[Unknown]

1970

file D (Stack)Richter, Nikolaus

"In Commemoration of the 100th Anniversary of Karl Schwarzschild (October 9, 1973)"

extract from Jena Review, 1973/6, pp. 315-317 & front cover.

[Unknown]

1973