@article{381904,
      author = {Anderson, O. Roger, and Druger, Marvin.},
      url = {http://library.usi.edu/record/381904},
      title = {Explore the world using protozoa [electronic resource] /},
      publisher = {National Science Teachers Association ;},
      recid = {381904},
      pages = {x, 221 p. :},
      address = {Arlington, VA :},
      year = {1997},
}