TY  - BOOK
AU  - FRANK J WELCHER
TI  - SEMIMICRO QUALITATIVE ANALYSIS
U1  - GN544.8W447S.2 
PY  - 1955///
CY  - NEW YORK
PB  - D. VAN NOSTRAND COM., INC.
KW  - SEMIMICRO QUALITATIVE ANALYSIS
ER  -