1. Moler C. Jahnke and Emde, Revisited 2014 [August, 2018]. Available from: http://blogs.mathworks.com/cleve/2014/12/15/jahnke-and-emde-revisited/.
2. Marasco J, Doerfler R, Roschier L. Modern Nomograms 2012 [August, 2018]. Available from: http://www.myreckonings.com/modernnomograms/.
3. Chung Jr WD. PROJECT RHO. Nomography Introduction 2008 [August, 2018]. Available from: http://www.projectrho.com/nomogram/intro.html.
4. Wikipedia. Nomogram [August, 2018]. Available from: https://en.wikipedia.org/wiki/Nomogram.