https://www.iareporter.com/articles/analysis-heemsen-v-venezuela-tribunal-refused-to-find-jurisdiction-on-the-basis-of-an-mfn-clause-and-held-that-german-venezuela-bit-does-not-cover-dual-nationals-with-citizenship-of-the-host-state/ (requires subscription)
https://www.iareporter.com/articles/venezuela-prevails-against-two-german-venezuelan-investors-jorge-and-enrique-heemsen-as-uncitral-tribunal-finds-it-has-no-jurisdiction/ (requires subscription)
https://www.iareporter.com/arbitration-cases/jorge-heemsen-and-enrique-heemsen-v-venezuela/ (requires subscription)