TY  - BOOK
AU  - Petzold Charles 
TI  -  The Annotated Turing : A Guided Tour Through Alan Turing's Historic Paper On Computability And The Turing Machine
SN  - 9780470229057
U1  - 004 
PY  - 2008///
CY  - Indianapolis, in
PB  - Wiley publishing, inc., 
ER  -