@article{14261,
      author       = "C. Zeiss",
      title        = "Jeanes Zeiss - Jahrbuch 1950. Jeanes Jahrbuch 1951.
                      Wissenschaftliche Veröffentlichungen des Zeisswerkes  ",
      year         = "1950",
      note         = "1950, 1951, 1950, 1951, 1952, 1954, 1955, 1957, 1958, 1958,
                      1953",
}