@incollection{Kos14,
author = {Pavel Najman and Tomislav Kos},
title = {Performance Analysis of Empirical Ionosphere Models by Comparison with CODE Vertical TEC Maps},
booktitle = {Mitigation of Ionospheric Threats to GNSS},
publisher = {IntechOpen},
address = {Rijeka},
year = {2014},
editor = {Riccardo Notarpietro and Fabio Dovis and Giorgiana De Franceschi and Marcio Aquino},
chapter = {13},
doi = {10.5772/58774},
url = {https://doi.org/10.5772/58774}
}