TY  - BOOK
AU  - Nachtrieb,Norman H., x
AU  - x
TI  - Principles & practics of spectrochemical analysis: x
SN  - x    
U1  - 544.6/NAP 
PY  - 1950///
CY  - N.Y.
PB  - McGraw-Hill
KW  - Chemistry,Analytical
ER  -