from Wikipedia, the free encyclopedia
E91 or E 91 stands for:
-
BMW E91 , a car model
-
DR class E 91 , electric freight locomotives of the Deutsche Reichsbahn-Gesellschaft
-
European route 91 , a trunk road from Ceyhan to Antakya in Turkey
-
Ekert protocol , a protocol for key transmission in quantum cryptography published in 1991
This is a
disambiguation page for differentiating between several terms identified with the same word.