Bruce S. Burdick, \emph{Some equivalences for Martin's Axiom in asymmetric topology}, Proceedings of the Ninth Prague Topological Symposium (Prague, 2001), Topology Atlas, Toronto, 2002, pp. 9--13. arXiv:math.GN/0204116 @incollection {math.GN/0204116, author = {Burdick, Bruce S.}, title = {Some equivalences for {M}artin's {A}xiom in asymmetric topology}, pages = {9--13}, booktitle = {Proceedings of the Ninth Topological Symposium (Prague, 2001)}, publisher = {Topology Atlas}, address = {Toronto}, year = {2002}, editor = {Petr Simon}, arxivnumber = {math.GN/0204116}, note = {arXiv:math.GN/0204116}, mrclass = {03E50 06B35 06F30 54A35 54D45}, }