@techreport{Kopeliovich:3124,
      author       = "Kopeliovich, V B and Niedermayer, Ferenc",
      title        = "Absorption of particles in nuclear matter during tunnelling
                      from vacuum",
      institution  = "Joint Inst. Nucl. Res.",
      address      = "Dubna",
      number       = "JINR-E2-84-644",
      month        = "Oct",
      year         = "1984",
}