MathSciNet bibliographic data MR1455862 (98i:94039) 94B27 (51E23) Calderbank, A. R.; Cameron, P. J.; Kantor, W. M.; Seidel, J. J. \$Z\sb 4\$$Z\sb 4$-Kerdock codes, orthogonal spreads, and extremal Euclidean line-sets. Proc. London Math. Soc. (3) 75 (1997), no. 2, 436–480. Article

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