000 00429 a2200157 4500
082 _a614.712028
_bAm35a3
245 1 _aAIR SAMPLING INSTRUMENTS FOR EVALUATION OF ATMOSPHERIC CONTAMINANTS
250 _a3rd
260 _aCincinnati
_b
_cc1966
300 _a1 v.,Y
500 _aIncludes Bibliographies
650 _aAir Sampling Apparatus
650 _aAir -- Pollution -- Measurement
964 _gCIRC
997 _aA7550 C
999 _c458109
_d458109