Woodrow Wilson Center Press. Indian nuclearweapons program at The Nuclear Weapon Archive At 核文件(英语:Nuclear Files): Nuclear India's nuclear confrontation
Use of NuclearWeapons. In: The Nonproliferation Review. 10(2)/2003. The Center for Nonproliferation Studies, ISSN 1073-6700 Document of nuclear doctrine
with Hellman participating on the Cryptographer's Panel, April 21, 2009, Moscone Center, San Francisco YouTube上的Soaring, Cryptography and NuclearWeapons