Morgan A. Bishop Anthony J. Macula Thomas E. Renz Vladimir Ufimtsev Hypothesis group testing for disjoint pairs. 7-16 2008 15 J. Comb. Optim. 1 http://dx.doi.org/10.1007/s10878-007-9081-5 db/journals/jco/jco15.html#BishopMRU08