[1] Bose R. C., Nair K. R.: Partially incomplete block designs. Sankhya, 4 (1939), 337-372.
[2] Bose R. C., Shimamoto T.:
Classification and analysis of partially balanced incomplete block designs with two associate classes. American Statistical Association Journal, 47 (1952), 151-184.
MR 0048772 |
Zbl 0048.11603
[3] Bose R. C.:
Strongly regular graphs, partial geometries and partially balanced designs. Pacific Journal of Mathematics, 13 (1963), 389-419.
MR 0157909 |
Zbl 0118.33903
[4] Delsarte P.:
An algebraic Approach to the association schemes of coding theory. Philips research reports supplements, No. 10, 1973.
MR 0384310 |
Zbl 1075.05606