[1]	Russian cultural experiences. [Online; accessed June 28, 2020]. [ bib | http ]
[2]	Russian nesting dolls. [Online; accessed June 28, 2020]. [ bib | http ]
[3]	Martin Thoma. Wikimedia commons, 2014. [Online; accessed June 26, 2020]. [ bib | http ]
[4]	Edgar Allan Poe. The System of Dr. Tarr and Prof. Fether. Virginia Tech, 1850. [ bib ]
[5]	Walter F Tichy, Paul Lukowicz, Lutz Prechelt, and Ernst A Heinz. Experimental evaluation in computer science: A quantitative study. Journal of Systems and Software, 28(1):9--18, 1995. [ bib ]
[1]	Stuart J Russell and Peter Norvig. Artificial Intelligence-A Modern Approach, Third Edition., page 122. Pearson Education New Jersey, Upper Saddle River, New Jersey 07458, third edition, 2010. [ bib ]
[2]	Mary W. Shelley. Frankenstein or, The Modern Prometheus, chapter chapter 4. PROJECT GUTENBERG, 2013. [ bib ]
[3]	user1180576 (https://math.stackexchange.com/users/629687/user1180576). Informal derivation (and interpretation) of substitution rule from chain rule? Mathematics Stack Exchange. URL:https://math.stackexchange.com/q/3354744 (version: 2019-09-13). [ bib | arXiv | http ]
[4]	M Zins. What have we learnt from our mistakes? Diagnostic and interventional imaging, 7(94):675, 2013. [ bib ]