A Logical approach to expert systems and natural language processing: knowledge systems and prolog
edited by Adrian Walker
Addison-Wesley, 1987
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Wright, Georg Hendrik von
Logical studies
Routledge, 1957
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Carnap, Rudolf
The Logical syntax of language
Littlefield, Adams , 1959
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Krulee, Gilbert K.
Computer processing of natural language
Prentice-Hall, 1991
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Allen, James
Natural language understanding
The Benjamin Cumming Pub. Co., 1987
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