@article{3878,
      author = {Vinyard, W. C.},
      url = {http://library.usi.edu/record/3878},
      title = {Key to the genera of diatoms of the inland waters of  temperate North America},
      publisher = {Calif., Mad River Press,},
      recid = {3878},
      pages = {iii, 19 p.},
      address = {[Eureka,},
      year = {1974},
}