@article{JIS_2004__7_1_a7,
     author = {Simons, Christopher S. and Wright, Marcus},
     title = {Zeroing the baseball indicator and the chirality of triples},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2004__7_1_a7/}
}