Roth, Gunter Dietmar Compendiu of practical astronomy Vol.1:Instrumentation and techniques - - Berlin Springer-Verlag 1994 - xxiii, 540p. Translated by Harry J. Augensen and Wulff D.Heintz ISBN: 3-540-56273-7 ISSN: Subjects--Index Terms: Astronomy--handbooks,manuals,etc. Dewey Class. No.: 520(035)