@article{75640,
      recid = {75640},
      author = {Zim, Herbert S. and Martin, René,},
      title = {Armored animals,},
      publisher = {Morrow},
      address = {New York,},
      pages = {64 p.},
      year = {1971},
      abstract = {Describes some armored animals, such as the one-celled  protozoa with a hard covering, the armadillo, and  shellfish, and compares the effectiveness of this armor to  other forms of animal protection.},
      url = {http://library.usi.edu/record/75640},
}