A microcomputer program for the statistical analysis of patent databases : Oppenheim C. World Patent Information 5 (4), 209–212

• Publisher: Elsevier Science
• Year: 1983
• Tongue: English
• Weight: 83 KB
• Volume: 5
• Category: Article
• ISSN: 0172-2190
• DOI: 10.1016/0172-2190(83)90016-9