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Books about Jaschek:
Jascheks Reise (German Edition) by Erdmann Kühn (Nov 28, 2013)
[ THE BEHAVIOR OF CHEMICAL ELEMENTS IN STARS[ THE BEHAVIOR OF CHEMICAL ELEMENTS IN STARS ] BY JASCHEK, CARLOS... by Carlos Jaschek (Mar 1, 2009)
Carlos Jaschek, 1926-1999 (Bulletin of the American Astronomical Society) by Daniel Egret (1999)
Wiki information Jaschek:
2964 Jaschek is a main-belt asteroid discovered on July 16, 1974 by Felix Aguilar Observatory at El Leoncito.
Carlos Jaschek is a 1955 Guggenheim Fellow in Natural Sciences.