TY  - BOOK
AU  - Fisher, Roger
AU  - Ury,William
AU  - Patton,Bruce
TI  - Getting to yes: Negotiating agreement without giving in 
SN  - 9780140157352
AV  - BF 637.N4 F57.1991
PY  - 1991///
CY  - New York, N.Y.
PB  - Peguin Books
KW  - Negotiation
KW  - Negociación
ER  -