English: Cover of the book "Formal Languages and their Relation to Automata" by Hopcroft and Ullman, first edition 1968.
The original 1968 edition of Hopcroft and Ullman's famous automata theory textbook. Photo taken by Hermann Gruber.
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19 May 2009 (original upload date); 12 January 2012 (last version)
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2009-05-19 22:06 Hermel 2592×1944× (1458484 bytes) The original 1968 edition of Hopcroft and Ullman's famous automata theory textbook. Photo taken by Hermann Gruber.
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