1. Balanced n-ary designs;Billington;Ars Combin.,1984
2. Designs with repeated elements in blocks;Billington;Congr. Numer.,1989
3. A list of balanced ternary designs with R⩽ 15, and some necessary existence conditions;Billington;Ars Combin.,1983
4. A census of (9; 1; 3, 2) balanced ternary designs;Bryant;J. Combin. Math. Combin. Comput.,1997
5. A census of t-(t+8,t+2,4) designs, 2⩽ t⩽ 4;Denny;J. Statist. Plann. Inference,2002