Publisher
- charles univ prague, prague, czech republic.10
- horia hulubei natl inst phys & nucl engn ifin hh, bucharest, romania.10
- ist nazl fis nucl, lab nazl legnaro, legnaro, italy.10
- ist nazl fis nucl, trieste, italy.10
- univ basel, dept phys & astron, basel, switzerland.10
- univ politecn cataluna, barcelona, spain.10
- univ santiago de compostela, santiago de compostela, spain.10
- univ seville, seville, spain.10
- uniwersytet lodzki, lodz, poland.10