TY  - BOOK
AU  - Davis , Reg
AU  - Frearson , Martin
TI  - Mass spetroscopy: Analytical chemistry by open learning
SN  - 9971511029
U1  - 543.0873 
PY  - 1991///
CY  - Singapore
PB  - John wiley and sons
KW  - Mass spetroscopy
ER  -