TY  - BK
AU  - Helmers,S.A.
TI  - Microsoft Visio 2013: step by step
T2  - Step by step
SN  - 978-0-7356-6946-8
U1  - 006.68682 HEL 
PY  - 2013///
CY  - Sebastopol, CA
PB  - O'Reilly Media
KW  - Computer programming
KW  - Computer science
N1  - Includes index
ER  -