Leadbetter, P. (1991). Prolog: From formal specification to prototype. Blackwell scientific publications.
Παραπομπή Chicago StyleLeadbetter, Peter. Prolog: From Formal Specification to Prototype. London: Blackwell scientific publications, 1991.
Παραπομπή MLALeadbetter, Peter. Prolog: From Formal Specification to Prototype. Blackwell scientific publications, 1991.
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