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SANDBURG, Brenda. You may not have a choice. Trolling for Dollars. Patent enforcers are scaring corporate America, and they’re getting rich — very rich — doing it. The Recorder. 2001-07-30. Dostupné v archivu pořízeném z originálu. (anglicky)Archivováno 19. 5. 2003 na Wayback Machine.