Proceedings of the 4th workshop on Patent information retrieval. Association for Computing Machinery (ACM).
Chicago-referens (17:e uppl.)Proceedings of the 4th Workshop on Patent Information Retrieval. Association for Computing Machinery (ACM).
MLA-referens (8:e uppl.)Proceedings of the 4th Workshop on Patent Information Retrieval. Association for Computing Machinery (ACM).
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.