@article{,
      recid = {258375},
      author = {Solomon, Paul A.},
      title = {Evaluation of PM2.5 chemical speciation samplers for use  in the EPA National PM2.5 Chemical Speciation Network  [microform] /},
      publisher = {U.S. Environmental Protection Agency, Office of Air  Quality Planning and Standards,},
      address = {Research Triangle Park, N.C. :},
      number = {EPA-454/R-01-005},
      pages = {2 v. in 1 :},
      year = {2001},
      note = {EPA project officer: Paul A. Solomon.},
      url = {http://library.usi.edu/record/258375},
}