All work using the provided code should give reference and credit to the original software available under

https://github.com/TUW-GEO/rt1

Within publications, giving reference to the following original publications is obligatory:

* Quast & Wagner (2016): doi:10.1364/AO.55.005379
* Quast, Albergel, Calvet, Wagner (2019) : doi:10.3390/rs11030285