@article{54180,
      recid = {54180},
      author = {Littlewood, Cyril. and Ovenden, Denys,},
      title = {The mammals.},
      publisher = {Arco},
      address = {New York,},
      pages = {62 p.},
      year = {1970},
      abstract = {Describes the physical characteristics, habits, and  environment of sixty-nine mammals threatened with  extinction.},
      url = {http://library.usi.edu/record/54180},
}