1. Department of Geology; University of Johannesburg; 2600 Auckland Park Johannesburg South Africa
2. Konkoly Thege Miklos Astronomical Institute; Research Centre for Astronomy and Earth Sciences; Konkoly Thege Miklós út 15-17 Budapest H-1121 Hungary
3. Department of Biosphere-Geosphere System Science; Okayama University of Science; 1-1 Ridai-cho Okayama 700-0005 Japan
4. Department of Applied Physics; Okayama University of Science; 1-1 Ridai-cho Okayama 700-0005 Japan
5. Department of Earth and Planetary Systems Science; Graduate School of Science; Hiroshima University; Kagami-yama 1-3-1 Higashi-Hiroshima Hiroshima 739-8526 Japan
6. Institute of Physics; Department of Material Physics; Eötvös University; Pázmány P. s. 1/a Budapest H-1117 Hungary
7. Department of Mineralogy, Petrology and Geochemistry; University of Szeged; Egyetem utca 2 Szeged H-6722 Hungary
8. Department of Earth and Planetary Materials Science; Graduate School of Science; Tohoku University; Sendai 980-8578 Japan
9. Department of Lithospheric Research, Center for Earth Sciences; University of Vienna; Althanstrasse 14 Vienna A-1090 Austria
10. School of Graduate Studies of Ilia State University; Tbilisi Georgia
11. University of Debrecen; Egyetem tér 1 Debrecen H-4032 Hungary
12. Lunar and Planetary Laboratory; Department of Planetary Sciences; The Arizona University; 1629 E. University Blvd Tucson Arizona 85721-0092 USA
13. Reformed College of Debrecen; Kálvin tér 16. Debrecen H-4026 Hungary
14. Savaria University Center; University of West Hungary; Károlyi Gáspár tér 4 Szombathely H-9700 Hungary