Penrose Tiles to Trapdoor Ciphers: And the Return of Dr Matrix (Spectrum)
Full Title: | Penrose Tiles to Trapdoor Ciphers: And the Return of Dr Matrix (Spectrum) |
---|---|
ISBN: | 0883855216 |
ISBN13: | 9780883855218 |
List Price: | USD $15.95 |
Authors: |
Gardner, Martin |