00327nam a2200133 i 4500 0177610352 : 0177710357 544.0858 HOW Howarth, Oliver. Theory of spectroscopy : London : Nelson, 1973. x, 214 p. : ill. ; Spectrum analysis. REF 351 351 0 0 0 NFIC IC IC GEN 2015-03-04 1000.00 0 544.0858 HOW 000081 2015-03-04 00:00:00 2015-03-04 REF