The model of stratificational structure of patent information retrieval language : Zheng Fen. World Patent Information 11 (2), 76–82

• Publisher: Elsevier Science
• Year: 1989
• Tongue: English
• Weight: 115 KB
• Volume: 11
• Category: Article
• ISSN: 0172-2190
• DOI: 10.1016/0172-2190(89)90232-9