Harish M. Shinde, Anand K. Bewoor. “Viscosity Assessment for Quantifying Engine Oil Deterioration Using New Cost-Effective and Handy Fluid Property Sensor”. International Journal of Advanced Science and Technology, Vol. 29, no. 7, June 2020, pp. 8649-5, http://sersc.org/journals/index.php/IJAST/article/view/24958.