Não informado. (1999). Annals of Software Engineering. Baltzer Science Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Annals of Software Engineering. Bussum, Holanda: Baltzer Science Publishers, 1999.
Lua MLA (8ú heag.)Não informado. Annals of Software Engineering. Baltzer Science Publishers, 1999.
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