TY  - BOOK
AU  - Eichelberger,James W.
AU  - Budde,William L.
AU  - Middleton, William M.,
TI  - Analytical quality assurance for trace organics analysis by gas chromatography mass spectrometry
U1  - 543.0896 
PY  - 1975///
CY  - Washington, D.C.
PB  - United States Government Printing Office
KW  - Gas chromatography
KW  - Methodology
KW  - Mass spectrometry
N1  - EPA-600/4-75-007
ER  -