TY  - BOOK
AU  - Niessen , W . M . A
TI  - Current practice of gas chromatography mass spectroscopy
SN  - 0824704738
U1  - 543.544 
PY  - 2001///
CY  - New York
PB  - Marcel Dekkers Inc
KW  - Gas chromatography--Mass spectrometry
ER  -