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101 0 $aeng
200 10$aParticulate measurement - evaluation of the equivalency of the three-bag and four-bag LA-4 dynamometer test procedures
210   $aAnn Arbor, Mich$cStandards Development and Support Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise and Radiation, U.S. Environmental Protection Agency
906   $aBOOK
912   $a9910712606503321
996   $aParticulate measurement - evaluation of the equivalency of the three-bag and four-bag LA-4 dynamometer test procedures$93263210
997   $aUNINA