Dan Hefetz Michael Krivelevich Milos Stojakovic Tibor Szabó Fast winning strategies in Maker-Breaker games. 39-47 2009 99 J. Comb. Theory, Ser. B 1 http://dx.doi.org/10.1016/j.jctb.2008.04.001 db/journals/jct/jctb99.html#HefetzKSS09