TY  - BOOK
AU  - Cooper,Brant
AU  - Patrick Vlaskovits;
AU  - Steven G Blank
TI  - The entrepreneur's guide to customer development : a "cheat sheet" to The four steps to the epiphany / 
SN  - 0982743602 
U1  - 658.812/ C776e 23
PY  - 2010///
CY  - [Place of publication not identified] : 
PB  - B. Cooper and P. Vlaskovitz
ER  -