@article{saco,
 author = {Bruce Merry and Marco Gallotta and Carl Hultquist},
 title = {Challenges in Running a Computer Olympiad in {South Africa}},
 journal = {Olympiads in Informatics},
 volume = {2},
 year = {2008},
 issn = {1822-7732},
 pages = {105--114}
}