@article{HardtKoehlerMuelleretal.1980,
  author    = {Hardt, Arno and K{\"o}hler, M. and M{\"u}ller, K. D. and Stoff, H.},
  title     = {A two-dimensional position sensitive charged-particle detector for the magnetic spectrograph "BIG KARL" of the J{\"u}lich Cyclotron "JULIC". M. K{\"o}hler, K. D. M{\"u}ller, H. Stoff, M. Teske, G. P. A. Berg, A. Hardt, S. Martin, C. Mayer-B{\"o}ricke , J. Meißburger},
  series = {Nuclear Instruments and Methods. 75 (1980), H. 2-3},
  journal   = {Nuclear Instruments and Methods. 75 (1980), H. 2-3},
  isbn      = {0029-554X},
  pages     = {357 -- 362},
  year      = {1980},
  language  = {en}
}
@article{BansalMuellerVieiraetal.2000,
  author    = {Bansal, N. K. and M{\"u}ller, C. and Vieira, M. E. and Faber, Christian and Schwarzer, Klemens},
  title     = {Thermal performance of a rock bed storage system},
  series = {Proceedings : University of Stuttgart, Germany, August 28th until September 1st, 2000 / Terrastock 2000, 8th International Conference on Thermal Energy Storage. Ed.: M. Benner ... - Vol. 1},
  journal   = {Proceedings : University of Stuttgart, Germany, August 28th until September 1st, 2000 / Terrastock 2000, 8th International Conference on Thermal Energy Storage. Ed.: M. Benner ... - Vol. 1},
  publisher = {Inst. f{\"u}r Thermodynamik und W{\"a}rmetechnik},
  address   = {Stuttgart},
  isbn      = {3-9805274-1-7},
  pages     = {433 -- 439},
  year      = {2000},
  language  = {en}
}