Aspects of Feynman Graphs. - P. Achuthan; Narayanankutty Karuppath (Electron. Notes Discret. Math., 2009)

Einstein-Podolsky-Rosen Paradox and Certain Aspects of Quantum Cryptology with Some Applications. - Narayanankutty Karuppath; P. Achuthan (Cyber Security, Cyber Crime and Cyber Forensics, 2011)