by J. Li, H. Chen, H. A. Stone
Reference:
J. Li, H. Chen and H. A. Stone, "Ice lubrication for moving heavy stones to the Forbidden City in 15th- and 16th-century China", Proceedings of the National Academy of Sciences, vol. 110, no. 50, nov 2013, pp. 20023–20027.
Bibtex Entry:
@Article{Li2013,
author = {J. Li and H. Chen and H. A. Stone},
title = {Ice lubrication for moving heavy stones to the Forbidden City in 15th- and 16th-century {China}},
journal = {Proceedings of the National Academy of Sciences},
year = {2013},
volume = {110},
number = {50},
pages = {20023--20027},
month = nov,
doi = {10.1073/pnas.1309319110},
publisher = {Proceedings of the National Academy of Sciences}
}