@article{PlunienMuellerGreineretal.2006,
  author    = {G{\"u}nter Plunien and Berndt M{\"u}ller and Walter Greiner and Gerhard Soff},
  title     = {Nuclear polarization contribution to the Lamb shift in heavy atoms},
  journal   = {Physical review. A},
  volume    = {39},
  number    = {10},
  pages     = {5428 -- 5431},
  year      = {2006},
}