@inbook{38991,
  author = {Michaela Zykan and Werner Gerabek and Bernhard Haage and Gundolf Keil and Wolfgang Wegner},
  title = {Oppolzer, Johann},
  year = {2005},
  journal = {Enzyklop{\"a}die Medizingeschichte},
  pages = {1076},
  publisher = {De Gruyter},
  address = {Berlin, New York },
  isbn = {3-11-015714},
  language = {eng},
}