@article{haos03:clawhi,
author = {Harri Haanp{\"a}{\"a} and {\"O}sterg{\aa}rd, Patric R. J.},
journal = {Discrete Applied Mathematics},
pages = {399-407},
title = {Classification of Whist Tournaments with up to 12 Players},
volume = {129},
year = {2003},
}