Gottlob, G., & Koch, C. (2006). A Formal Comparison of Visual Web Wrapper Generators. Springer.
Lua i Stíl Chicago (17ú heag.)Gottlob, G., agus C. Koch. A Formal Comparison of Visual Web Wrapper Generators. Springer, 2006.
Lua MLA (9ú heag.)Gottlob, G., agus C. Koch. A Formal Comparison of Visual Web Wrapper Generators. Springer, 2006.
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