%0 Journal Article %T Raman effect and chemical constitution - Influence of constitutive and other factors on the double bonds in organic compounds. Part Ia£¿£¿Coumarin %A G V L N Murti %A T R Seshadri %J - %D 1938 %U https://www.ias.ac.in/describe/article/seca/008/05/0519-0523