@article{Huang_2003,
    doi = {10.1103/physrevlett.90.250401},
    url = {https://doi.org/10.1103%2Fphysrevlett.90.250401},
    year = {2003},
    month = {jun},
    publisher = {American Physical Society ({APS})},
    volume = {90},
    number = {25},
    author = {Yun-Feng Huang and Chuan-Feng Li and Yong-Sheng Zhang and Jian-Wei Pan and Guang-Can Guo},
    title = {Experimental Test of the Kochen-Specker Theorem with Single Photons},
    journal = {Physical Review Letters}
}

@article{Huang_2003, doi = {10.1103/physrevlett.90.250401}, url = {https://doi.org/10.1103%2Fphysrevlett.90.250401}, year = {2003}, month = {jun}, publisher = {American Physical Society ({APS})}, volume = {90}, number = {25}, author = {Yun-Feng Huang and Chuan-Feng Li and Yong-Sheng Zhang and Jian-Wei Pan and Guang-Can Guo}, title = {Experimental Test of the Kochen-Specker Theorem with Single Photons}, journal = {Physical Review Letters} }