Srinivasu, J. V ., K. Narendra, and B. SubbaRao. 2016. “Refractive Properties of Binary Mixtures of 1,4-Butanediol With Methylpyridine Isomers”. International Journal of Scientific Research in Chemical Sciences 3 (1):1-12. https://ijsrcs.isroset.org/index.php/j/article/view/8.