TY  - BOOK
AU  - Welcher, F. J.
TI  - Standard methods of chemical analysis (vol-2 part-B): industrial and natural products and noninstrumental methods
T2  - 2
U1  - 543 
PY  - 1963///
CY  - New York
PB  - D. Van Nostrand Company
KW  - Chemistry
KW  - Analytical chemistry
N1  - Analytical Chemistry, Chemical Analysis, Laboratory Methods, Reference
ER  -