Husain, M. M., Sindhu, R. and Tandon, H. C. (2012) “Photophysical properties and estimation of ground and excited state dipole moments of 7-diethylamino and 7-diethylamino-4-methyl coumarin dyes from absorption and emission spectra”, European Journal of Chemistry, 3(1), pp. 87–93. doi: 10.5155/eurjchem.3.1.87-93.519.