@article{74000,
      author = {Silverstein, Alvin. and Silverstein, Virginia B., and  Kerkham, Roger,},
      url = {http://library.usi.edu/record/74000},
      title = {Guinea pigs, all about them},
      publisher = {Lothrop, Lee & Shepard Co.},
      abstract = {Describes the physical characteristics and habits of  guinea pigs and gives instructions for keeping them as  pets.},
      recid = {74000},
      pages = {96 p.},
      address = {New York,},
      year = {1972},
}