Harmonious Triads: physicists, musicians, and instrument makers in nineteenth-century Germany /

      85.313(4НІМ)
      J12
      Jackson, Myles W.
      Harmonious Triads: physicists, musicians, and instrument makers in nineteenth-century Germany / M. W. Jackson. — Cambridge, Massachusetts ; London : The MIT Press, 2006. — X+398 p. : іll.
13: 978026210116((hc: alk. paper). - ISBN-10: 0-262-10116-5)