@Inproceedings\{PaulaCristinaNegrãoVenturaMartins_11_2006,
author = {Paula Cristina Negrão Ventura Martins and Alberto Rodrigues da Silva},
title = { SPI Methodology for Virtual Organizations},
booktitle = {Proceedings of the OTM Workshops 2006},
publisher = {Springer},
series = { Springer, LNCS 4277},
year = {2006},
month = {November},
}