@article{OstermeyerHeuerWatermannetal.1996,
  author    = {Martin Ostermeyer and Axel Heuer and V. Watermann and Ralf Menzel},
  title     = {Single rod Nd:laser with phase conjugating SBS-mirror and large transversal mode for average output powers above 20 Watts},
  year      = {1996},
}