Some old ones: Jeffrey Ullman & John Hopcroft: Formal languages and their relation to automata [0] Ted Codd: A relational model of data for large shared data

Some old ones: Jeffrey Ullman & John Hopcroft: Formal languages and their relation to automata [0] Ted Codd: A relational model of data for large shared data banks [1] C.A.R Hoare: Communicating Sequential Processes [2] [0]http://dl.acm.org/citation.cfm?id=1096945 http://dl.acm.org/citation.cfm?id=1096945 [1]http://dl.acm.org/citation.cfm?id=362685 http://dl.acm.org/citation.cfm?id=362685 [2]http://www.usingcsp.com/cspbook.pdf http://www.usingcsp.com/cspbook.pdf