On the Covering Radius Problem for Codes: (I) Bounds on Normalized Covering Radius

K. E. Kilby and N. J. A. Sloane, SIAM J. Algebraic Discrete Methods, 8 (1987), pp. 604-618.

Pages 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618.