Körner, Philipp; Leuschel, Michael; Barbosa, João; Costa, Vítor Santos; Dahl, Verónica; Hermenegildo, Manuel V.; Morales, Jose F.; Wielemaker, Jan; Diaz, Daniel; Abreu, Salvador; Ciatto, Giovanni (November 2022). "Fifty Years of Prolog and Beyond". Theory and Practice of Logic Programming. 22 (6): 776–858. arXiv:2201.10816. doi:10.1017/S1471068422000102. ISSN1471-0684.
Körner, Philipp; Leuschel, Michael; Barbosa, João; Costa, Vítor Santos; Dahl, Verónica; Hermenegildo, Manuel V.; Morales, Jose F.; Wielemaker, Jan; Diaz, Daniel; Abreu, Salvador; Ciatto, Giovanni (November 2022). "Fifty Years of Prolog and Beyond". Theory and Practice of Logic Programming. 22 (6): 776–858. arXiv:2201.10816. doi:10.1017/S1471068422000102. ISSN1471-0684.
Körner, Philipp; Leuschel, Michael; Barbosa, João; Costa, Vítor Santos; Dahl, Verónica; Hermenegildo, Manuel V.; Morales, Jose F.; Wielemaker, Jan; Diaz, Daniel; Abreu, Salvador; Ciatto, Giovanni (November 2022). "Fifty Years of Prolog and Beyond". Theory and Practice of Logic Programming. 22 (6): 776–858. arXiv:2201.10816. doi:10.1017/S1471068422000102. ISSN1471-0684.