TY  - BOOK
AU  - Gibb,Thomas R.P.
TI  - Optical methods of chemical analysis
T2  - International chemical series, 
U1  - 543 23
PY  - 1942///
CY  - New York, London
PB  - McGraw-Hill book company
KW  -  Analytic Chemistry
KW  - Optical instruments
N1  - Includes bibliographies and Index
ER  -