TY  - BOOK
AU  - Ries,Eric
TI  - The Lean Startup: How Constant Innovation Ceates Radically Successful Businesses 
SN  - 9780670921607
U1  - 658.11 RIE 23rd ed.
PY  - 2011///
CY  - New York
PB  - Penguin Books Ltd.
N1  - It includes index
ER  -