@inproceedings{inproceedingsd4986b29,
title   = {Towards a process for negotiation of E-contracts involving Web Services},
author = {Silva, Gabriel Costa and Gimenes, Itana Maria de Souza and Fantinato, Marcelo and Toledo, Maria Beatriz Felgar de},
year = {2012},
publisher = {SBC},
booktitle   = {Simpósio Brasileiro de Sistemas de Informação}
}