@book{heim2012teaching,
  address = {Paderborn},
  author = {Heim, Katja and Ritter, Markus},
  interhash = {8b4aec226168c2832cc4de355ba0af6a},
  intrahash = {c21131659d17ea55c9a44e8457bbd37f},
  publisher = {Schöningh},
  title = {Teaching English: Computer-assisted Language Learning},
  year = 2012
}