The r-Major Index

1. R. P. ANSTEE. M. HALL JR., AND J. G, THOMPSON, Planes of order to do nO! have a oollin<:ation of order 5, J. Combin. Theory Se'. A 29 (1980), 39-58. 2, M. ASCHBACHER, On collineation groups of symmetri~ block designs, J. Combin. Theory Ser. A II (1971),272-281. 3. M. HALL, JR., ~Combina\Orial Theory." Wiley, New York/London, 1967, 4. D, R. HUGHES, Collineations and g"""rali~ed incidence matrices. Trans. Amer Mark. SIX86 (1957), 2B4-296. 5 F, 1. MACWILLlA.MS, N. 1. A_ SLOA~·E. "NO J. G. THOMPSON, On the existence of a pro­ jective plane of order 10, J, Combin, Them}' Sa. A 14 (1973). 66-78. 6, F, J, MACWILLIAMS AND /-'-. J. A. SLOANE, "The Theory or Error-Correcting Codes." North-Holland, ArnSlerdam/:-Iew York/Oxrord. 1977. 7. R. McEuECE, "The Theory of Information and Codin@. Encyclopedia of Mathemalj~s and lis ·"'IJP[j~ation~" Vol. 3, Addison-Wesley, Rea(li~g, Mass., 1977, 8. H. J. RYSER, "Combinatorial Mathematks," Cares Mathemalical Monograph No. 14, Wiley', New York, 1963. 9. !,>'. J. A. SLOM'E, Weight enumerators of codes, i~ ~Combinatori~s Proceeding, of the NATO Advanced Study Institute held at Nijenrode Castle, Breukelen, The Netherlands 8-20 July 1974," Reidel. Dordrech1;/Boston. 10. J. H. VAN LINT, "Coding Theory," Lecture NOles in Mathematics No, 201, Springer­ Verlag, Berlin/Heidelberg/New York, 1971. ,;: