@book{civitarese2011workshop,
  author = {Civitarese, O. and {\v{S}}tekl, I. and Suhonen, J.},
  title = {Workshop on calculation of double beta decay matrix elements ({MEDEX}`11)},
  publisher = {American Institute of Physics},
  address = {Melville, New York},
  year = {2011},
  issn = {0094-243X},
  isbn = {978-0-7354-0994-1}
}