TY  - BOOK
AU  - Cohn, Mike
TI  - User stories applied: for agile software development
SN  - 0321205685
U1  - 001.6425  C678u 
PY  - 2004///
CY  - Boston
PB  - Addison Wesley
KW  - INGLÉS
KW  - STORY
KW  - WRITING
ER  -