TY  - BOOK
AU  - TOUCHSTONE JOSEPH C
TI  - PRACTICE OF THIN LAYER CHROMATOGRAPHY
SN  - 471612227
U1  - 543.089 56 TOU 
PY  - 1992///
CY  - NEWYORK
PB  - JOHN WILEY & SONS
KW  - PRACTICE OF THIN LAYER CHROMATOGRAPHY
ER  -