TY  - BOOK
AU  - Willett, John.
TI  - Gas Chromatography:Analytical Chemistry by Open Learning / 
SN  - 9971-51-098-7
U1  - E:228 
PY  - 1976///
CY  - New York : 
PB  - John Wiley & Sons , 
KW  - Chemistry <Analytical Chemistry>
ER  -