Authors
Janusz Kobaka
Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
Jacek Katzer
Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
Karol Seweryn
Centrum Badań Kosmicznych Polskiej Akademii Nauk (CBK PAN), Warsaw, Poland