@manual{i2012rapid,
  author = {I, Rapid},
  interhash = {ee3977256629a08f446b912d5acb8d1f},
  intrahash = {318b836d9160840c5291d9a8ee057485},
  title = {Rapid Miner 5.2: Advanced Charts},
  url = {http://docs.rapid-i.com/r/rm-manual-en},
  year = 2012
}