The role of schmidt telescopes in astronomy based on photographs taken at the Mount Wilson, Lick, Pic Du Midi, McDonald and Yerkes observatories Haug, Ulrich, ed. text xx Hamburg Hamburg Observatory 1972 9999 monographic eng
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xiv, 160p. edited by Ulrich Haug Astronomical telescopes Astronomy and astrophysics thesaurus Schmidt telescope 520.2(082.2) ESO-72 211028