https://www.oasport.it/2019/01/calendario-test-f1-2019-date-programma-orari-e-tv/
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https://it.motorsport.com/f1/news/pirelli-ecco-come-saranno-indicate-le-cinque-mescole-nei-test-di-barcellona/4328240/?fbclid=IwAR05GLIRuBzL8zcVjTMHtWvRxdvsMkTFLcuk-EkkHYqPrup5DU1hOCwKgLI