TY  - BOOK
AU  - Fisher, Roger.
AU  - Ury, William.
AU  - Patton, Bruce.
TI  - Getting to yes: negotiating agreement without giving in 
SN  - 9780143118756
AV  - D4076 
U1  - 158.5 22
PY  - 2011///
CY  - USA
PB  - Penguin Books
ER  -