Trennung bei Fritz-Kola: Das Logo mit dem Gründerpaar bleibt - Hamburger Abendblatt
MA'LOA Poke Bowl Kasernenstraße | A piece of Hawaii in Düsseldorf | Düsseldorf
Open-source cola - Wikiwand
Fritz – Vegan Wiki
Fritz-kola, a drink created by two German students to challenge Coca-Cola with the highest legal amount of caffeine | Economy and Business | EL PAÍS English
The two students who took on Coke and Pepsi - BBC News