Books

Author	Issuer	Title	Published	ISBN	Tags
STREHLER, RES	Werd Verlag	Verschlüsselt. Der Fall Hans Bühler.		3-859-32141-2	CRYPTOGRAPHY / CRYPTO AG

Articles

Date	Source	Title	Tags
07.03.1998	Covert Action Quarterly	FOR AT LEAST HALF A CENTURY, THE US HAS BEEN INTERCEPTING AND DECRYPTING THE TOP SECRET DOCUMENTS OF MOST OF THE WORLD'S GOVERNMENTS	NSA/CRYPTO AG