BS ISO 16457:2014 Space systems. Space environment (natural and artificial). The Earth’s ionosphere model: international reference ionosphere (IRI) model and extensions to the plasmasphere
2022BS ISO 16457:2022 Space environment (natural and artificial). The Earth's ionosphere model. International reference ionosphere (IRI) model and extensions to the plasmasphere
2014BS ISO 16457:2014 Space systems. Space environment (natural and artificial). The Earth’s ionosphere model: international reference ionosphere (IRI) model and extensions to the plasmasphere