Azpetrol International Holdings B. V., Azpetrol Group B. V. and Azpetrol Oil Services Group B. V. v. The Republic of Azerbaijan - World Trade and Arbitration Materials View Azpetrol International Holdings B. V., Azpetrol Group B. V. and Azpetrol Oil Services Group B. V. v. The Republic of Azerbaijan by - World Trade and Arbitration Materials Azpetrol International Holdings B. V., Azpetrol Group B. V. and Azpetrol Oil Services Group B. V. v. The Republic of Azerbaijan 21 6 World Trade and Arbitration Materials