@inproceedings{366bbaa408e1490d9fefb810294335f1,
title = "Quantum logics based on four-photon entanglement",
author = "P Walther and A Zeilinger",
year = "2005",
doi = "10.1007/1-4020-3283-8_7",
language = "English",
isbn = "1-4020-3281-1",
series = "NATO science series. Series II, Mathematics, physics and chemistry",
publisher = "Springer",
pages = "49--62",
editor = "VM Akulin and A Sarfati and G Kurizki and S Pellegrin",
booktitle = "Decoherence, Entanglement and Information Protection in Complex Quantum Systems",
note = "NATO Advanced Research Workshop on Decoherence, Entanglement and Information Protection in Complex Quantum Systems ; Conference date: 26-04-2004 Through 30-06-2004",
}