References
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Knuth D. E., 1973, The Art of Computer Programming, volume III Sorting and Searching, Addison-Wesley Publishing Company.
Levine, John R. et al., 1992, lex & yacc, O’Reilly & Associates, Inc.
Oram Andrew and Steve Talbott, 1991, Managing Projects with make, O’Reilly & Associates, Inc.
Sedgewick Robert, 1990, Algorithms in C++, Addison-Wesley Publishing Company.