00713cam a22002531a 4500 9027 BD-RjUL 20211208234713.0 140120s1949 enka 001 0 eng d (BD-RjUL)9072 LC eng LC LC BD-RjUL eng 535.84 JOI 1949 Johnson, Raynor C. (Raynor Carey) 28020 An introduction to molecular spectra. / by Raynor C. Johnson London : Methuen, 1949. xiii, 296 p. : diagrs. 23 cm. Includes index. Spectrum analysis. 27266 Molecules. 25784 ddc BK 9027 9027 0 0 ddc 0 1 NFIC RUCL RUCL reading 1958-11-27 Colombo Plan 0 535.84 JOI 1949 2014-01-20 00:00:00 C-1 2014-01-20 BK