Issue No. 02 - February (1978 vol. 27)
M.J.E. Golay , Perkin-Elmer Corporation
A short list is given of two-dimensional line structures which are topologically identifiable one from the other.
topoglyphs., Hexagonal field, topological alphabet, topological different patterns
M.J.E. Golay, "Topoglyphs", IEEE Transactions on Computers, vol. 27, no. , pp. 164-167, February 1978, doi:10.1109/TC.1978.1675051