TY - JOUR AU - R. Julian R. Abel AU - Diana Combe AU - Adrian M. Nelson AU - William D. Palmer TI - GBRDs with block size three over 2-groups, semi-dihedral groups and nilpotent groups JO - The electronic journal of combinatorics PY - 2011 VL - 18 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/519/ DO - 10.37236/519 ID - 10_37236_519 ER -