данных>, <. (1995). Subject indexing: Principles and practices in the 90's: Proceedings of the IFLA Satellite meeting held in Lisbon, Portugal, 17-18 August 1993, and sponsored by the IFLA Section on classification and indexing and the Instituto da biblioteca nacional e do livro, Lisbon, Portugal. London: Saur.

данных>, <нет. Subject Indexing: Principles and Practices in the 90's: Proceedings of the IFLA Satellite Meeting Held in Lisbon, Portugal, 17-18 August 1993, and Sponsored By the IFLA Section On Classification and Indexing and the Instituto Da Biblioteca Nacional E Do Livro, Lisbon, Portugal. London: Saur, 1995.

данных>, <нет. Subject Indexing: Principles and Practices in the 90's: Proceedings of the IFLA Satellite Meeting Held in Lisbon, Portugal, 17-18 August 1993, and Sponsored By the IFLA Section On Classification and Indexing and the Instituto Da Biblioteca Nacional E Do Livro, Lisbon, Portugal. London: Saur, 1995.