and P.S. Joseph2, N. R. “Theoretical Investigations on the Molecular Structure, Vibrational Spectroscopic Analysis of 2,4-Dinitro-1-Naphthol”. Recent Research in Science and Technology, vol. 2, no. 4, Oct. 2010, https://updatepublishing.com/journal/index.php/rrst/article/view/422.