Conclusion - Arora-Jonsson, S.; Ballard, H.L.; Buruchara, Robin Arani; Casolo, J.; Classen, L; DeHose, J.; Emretsson, M.; Fortmann, L.; Halvarsson, A.L.; Halvarsson, E.; Humphries, S.; Long, J.W.; et al. (Earthscan, 2008)