WIPO permanent committee on industrial property infromation (PCIPI). Working group on search information, third session, 22 May–2 June 1989. Geneva

• 卷第11卷
• 期第3期
• 印刷ISSN0172-2190
• 文件大小188.95KB
• 发表时间1989
• DOI10.1016/0172-2190(89)90156-7