@article{,
      note = {"September 8, 2000."},
      url = {http://library.usi.edu/record/256038},
      title = {Current knowledge of particulate matter (PM) continuous  emission monitoring [microform].},
      publisher = {U.S. Environmental Protection Agency, Office of Air  Quality Planning and Standards, Emissions Monitoring and  Analysis Division, Emission Measurement Center.},
      number = {EPA-454/R-00-039},
      recid = {256038},
      pages = {1 v. (various pagings) ;},
      address = {Research Triangle Park, N.C. :},
}