@inproceedings{happa2009,
 author = {Happa,, Jassim and Williams,, Mark and Turley,, Glen and Earl,, Graeme and Dubla,, Piotr and Beale,, Gareth and Gibbons,, Greg and Debattista,, Kurt and Chalmers,, Alan},
 title = {Virtual relighting of a Roman statue head from Herculaneum: a case study},
 booktitle = {AFRIGRAPH '09: Proceedings of the 6th International Conference on Computer Graphics, Virtual Reality, Visualisation and Interaction in Africa},
 year = {2009},
 isbn = {978-1-60558-428-7},
 pages = {5--12},
 location = {Pretoria, South Africa},
 doi = {http://doi.acm.org/10.1145/1503454.1503456},
 publisher = {ACM},
 address = {New York, NY, USA},
 }