https://www.impinj.com/guide-to-rfid/the-different-types-of-rfid-systems.aspx
http://rfid.net/basics
http://www.technovelgy.com/ct/technology-article.asp
http://www.centrenational-rfid.com/rfid-frequency-ranges-article-16-gb-ruid-202.html
http://www.netcard.com.au/products/what-is-mifare

http://books.google.sk/books?id=FLabRYnGrOcC&pg=SA3-PA7&dq=federico+faggin&hl=sk&sa=X&ei=ISrZUvPBBsSh4gTp1IDgCA&ved=0CEMQ6AEwAw#v=onepage&q=federico%20faggin&f=false
http://www.ehow.com/info_10018768_history-microcontroller.html
http://www.robotplatform.com/electronics/microcontroller/microcontroller.html
http://www.electrical4u.com/history-of-microprocessor-and-history-of-microcontroller/
http://en.wikipedia.org/wiki/Microcontroller
http://smithsonianchips.si.edu/augarten/p38.htm