@electronic{noauthororeditor1985gewinnen,
  address = {Wiesbaden},
  author = {Berlekamp, Elwyn R. and Conway, John H. and Guy, Richard K.},
  interhash = {7f88b7ea897e572bc9d95ee95aae3e96},
  intrahash = {6f9719749b36f9adb46c9929339f4e08},
  isbn = {9783322831705 3322831701},
  publisher = {Vieweg+Teubner Verlag},
  refid = {864076582},
  title = {Gewinnen Strategien für mathematische Spiele Band 1 Von der Pike auf},
  url = {http://link.springer.com/book/10.1007/978-3-322-83170-5},
  year = 1985
}