Membrane Switches Resources
Magazine
http://www.appliancemagazine.com
Book
http://www.amazon.com/exec/obidos/tg/detail/-/007040769X/qid=1100710247/sr=1-2/ref=sr_1_2/102-9722562-4654517?v=glance&s=books
http://www.normas.com/ASTM/BOOKS/SWITCHES.html
Membrane Switches Related Articles
http://www.flexcon.com/new_articles2.asp?ID=31
http://www.engineersedge.com/instrumentation/membrane_switch_construction.htm