( 5 ) references : ( 1 ) https : //en.wikipedia.org/wiki/quartz ( 1 ) https : //en.wikipedia.org/wiki/crystal_oscillator ( 2 ) https : //en.wikipedia.org/wiki/project_rainbow ( 3 ) https : //en.wikipedia.org/wiki/area_51 ( 4 ) http : //www.crystalinks.com/montauk1.html ( 4 ) http : //www.bibliotecapleyades.net/montauk/esp_montauk_5a.htm ( 5 ) http : //www.archives.gov/federal-register/codification/executive-order/12591.html about the author i would like to express my gratitude to you for taking the time to read this book .