@book{kosmas2006proceedings,
  author = {Kosmas, H and {\v{S}}tekl, I. and Civitarese, O and Suhonen, J},
  title = {Proceedings of the Workshop on calculation of double-beta-decay matrix elements {MEDEX}´05},
  publisher = {Fyzik{\'a}ln{\'i} {\'u}stav AV {\v{C}}R},
  address = {Praha},
  year = {2006},
  issn = {0011-4626}
}