@article{52984,
      recid = {52984},
      author = {Hediger, Heini.},
      title = {The psychology and behaviour of animals in zoos and  circuses /},
      publisher = {Dover Publications,},
      address = {New York :},
      pages = {vii, 166 p. :},
      year = {1968},
      note = {Translation of Skizzen zu einer Tierpsychologie im Zoo und  im Zirkus.},
      url = {http://library.usi.edu/record/52984},
}