1. Botanic Garden and Research Institute, Mongolian Academy of Sciences, Ulaanbaatar, Mongolia
2. Materials Analysis Division, Open Facility Center, Tokyo Institute of Technology, Tokyo Japan
3. JEOL Ltd., Tokyo, Japan
4. Department of Chemistry, National University of Mongolia, Ulaanbaatar, Mongolia
5. College of Agriculture, Ibaraki University, Ibaraki, Japan
6. Department of Geography, Tokyo Metropolitan University, Tokyo, Japan