@article{2621,
      author = {Bassler, Ray S.},
      url = {http://library.usi.edu/record/2621},
      title = {Shelled invertebrates of the past and present, with  chapters on geological history,},
      publisher = {Smithsonian institution series, inc.,},
      recid = {2621},
      pages = {365 p.},
      address = {[New York,},
      year = {1934},
}