@inproceedings{BFHRWAT2009,    
author = {Bella, Antonio and Ferri, C\`esar and Hern\'andez-Orallo, Jos\'e and Ram\'irez-Quintana, Mar\'ia Jos\'e},    
title = {Negotiation with Price-dependent Probability Models},    
booktitle = {Workshop on Agreement Technologies - WAT 2009},    
pages = {9-20},    
year = {2009} }