@inproceedings{MansfieldBarbosa:QPL2013, title = "Extendability in the sheaf-theoretic approach: Construction of {B}ell models from {K}ochen-{S}pecker models", author = "Mansfield, Shane and Soares Barbosa, Rui", year = "2013", booktitle = "Informal pre-proceedings of 10th Wokshop on Quantum Physics and Logic (QPL 2013), ICFo Barcelona", note = "E-print: arXiv:1402.4827 [quant-ph]", url = "http://arxiv.org/pdf/1402.4827.pdf", }