@article{05125115,
title = {Orientable self-embeddings of Steiner triple systems of order 15.},
journal = {Acta Mathematica Universitatis Comenianae. New Series},
volume = {75},
year = {2006},
pages = {163-172},
zbl = {1164.05317},
language = {en},
url = {http://dml.mathdoc.fr/item/05125115}
}
Bennett, G.K.; Grannell, M.J.; Griggs, T.S. Orientable self-embeddings of Steiner triple systems of order 15.. Acta Mathematica Universitatis Comenianae. New Series, Tome 75 (2006) pp. 163-172. http://gdmltest.u-ga.fr/item/05125115/