80 citations · 102 across the 3 of their papers we have counts for
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A. R. Calderbank, A. Roger Hammons, P. Vijay Kumar +2
The Nordstrom-Robinson, Kerdock, and (slightly modified) Pre\- parata codes are shown to be linear over $\ZZ_4$, the integers mod 4. The Kerdock and Preparata codes are duals o…