Ciećko, A., Grunwald, G., Kaźmierczak, R., Dobek, M., & Gołąbek, P. (2017). Examination of the accuracy and usefulness of Garmin and Suunto GNSS devices during navigation of the TS-11 “Iskra” jet aircraft. International Conference “Environmental Engineering”, 10, 1-8. https://doi.org/10.3846/enviro.2017.181