TY  - BOOK
AU  - Touchstone, Joseph C. .
TI  - Densitometry in Thin Layer Chromatography :Practice and Applications / 
SN  - 0-471-88041-8
U1  - E33 
PY  - 1983///
CY  - New York : 
PB  - John Wiley & Sons , 
KW  - Chemistry <Chromatography>
ER  -