@article{124347,
      author = {Kothny, Evaldo L.,},
      url = {http://library.usi.edu/record/124347},
      title = {Trace elements in the environment;},
      publisher = {American Chemical Society,},
      recid = {124347},
      pages = {ix, 149 p.},
      address = {Washington,},
      year = {1973},
}