Nagachandra, K. H., Mannekutla, J. R., Amarayya, S. M., & Inamdar, S. R. (2012). Solvent effect on the spectral properties of dipolar laser dyes: Evaluation of ground and excited state dipole moments. European Journal of Chemistry, 3(2), 163–171. https://doi.org/10.5155/eurjchem.3.2.163-171.538