Cisco Networks Engineers' Handbook of Routing, Switching, and Security with IOS, NX-OS, and ASA / by Chris Carthern, William Wilson, Noel Rivera, Richard Bedwell.

by Carthern, Chris., Carthern, Chris., Wilson, William., Rivera, Noel., Bedwell, Richard.
Published 2015

Statistical methods Rudolf J. Freund, William J. Wilson.

by Freund, Rudolf Jakob, 1927-
Published 1997