@book{
  internationaliaea,
  title={The PACKTRAM Database on National Competent Authorities' Approval Certificates for Package Design, Special Form Material and Shipment of Radioactive Material},
  series={Computer Manual Series},
  number={7},
  year={},
  url={https://www.iaea.org/publications/5680/the-packtram-database-on-national-competent-authorities-approval-certificates-for-package-design-special-form-material-and-shipment-of-radioactive-material},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}