www.hrk.de, besøkt 10. mai 2019[Hentet fra Wikidata]
idw-online.de
idw-online.de, besøkt 23. september 2019[Hentet fra Wikidata]
impeller.net
«GreenTec Awards 2014: Winners Announced». Besøkt 29. april 2021. «The winners of the GreenTec Awards 2014 are as follows: Automobility Category: RUBIN from Continental Reifen Deutschland GmbH promotes the cultivation and utilization of dandelions to make natural rubber.»
«Dandelion rubber gets ready for the market». Besøkt 29. april 2021. «Although Russian dandelion contains more rubber than other species of dandelion, the quantity found in the wild plant is not sufficient for production on an industrial scale. Nor do wild plants provide stable yields. This is why wide-ranging programmes are being carried out at the ESKUSA plant-breeding company to breed a “common” high-yield dandelion»