TY  - BOOK
AU  - Welcher,Frank J.
TI  - Standard methods of chemical analysis
AV  - QD131.S68 
PY  - 1962///
CY  - Princeton
PB  - : D. Van Nostrand Company
KW  - Chemistry,
KW  - analytic
KW  -  Chemistry,
KW  - technical
ER  -