Kim, D.C., J.H. Kim, J.K. Woo, D.H. Shin, Y.S. Lee, and R.D. Kaushik. 2010. “A New Iron-Nanofluid As Fuel Additive for Particulate Matter Reduction in Heavy Fuel Oil-Fired Boiler Facility”. Asian Journal of Chemistry 20 (7):5767-75. https://asianpubs.org/index.php/ajchem/article/view/12921.