1. atmosfair (2008) Der Emissionsrechner. atmosfair, retrieved from:
https://www.atmosfair.de/index.php?id=60&L=0
2. Azar C, Johansson JA (2012) Valuing the non-CO2 climate impacts of aviation. Clim Chang 111:559–579
3. Bows-Larkin A, Mander SL, Traut MB, Anderson KL, Wood FR (2016) Aviation and climate change–the continuing challenge. In: Encyclopedia of Aerospace Engineering. John Wiley & Sons, Ltd. doi: DOI:
https://doi.org/10.1002/9780470686652.eae1031
4. Brasseur GP (2008) A report on the way forward - based on the review of research gaps and priorities sponsored by the Environmental Working Group of the U.S. NextGen Joint Planning and Development Office, retrieved from:
https://www.researchgate.net/publication/224999220_ACCRI_-_A_Report_on_the_Way_Forward_based_on_the_Review_of_Research_Gaps_and_Priorities
5. Carbon Trust, DEFRA (2011) PAS 2050:2011: specification for the assessment of the life cycle greenhouse gas emissions of goods and services. British Standard, BSi, London, retrieved from:
www.bsigroup.com/upload/Standards%20&%20Publications/Energy/PAS2050.pdf