August Ferdinand Mobius *

http://en.wikipedia.org/wiki/August_Ferdinand_Mobius
http://www.encyclopedia.com/doc/1G2-3407500199.html

_ Möbius strip - Video Learning - WizScience.com
https://youtu.be/C195u8uip9s
_ Mural Cine Matematico
https://youtu.be/uftMwR3snGY

http://dilbert.com/strip/2015-11-16