@article{ZentgrafTrendelenburgSpringetal.1979,
  author    = {Hanswalter Zentgraf and Michael F. Trendelenburg and Herbert Spring and Ulrich Scheer and Werner W. Franke and Ulrike M{\"u}ller and Kenneth C. Drury and Duri Rungger},
  title     = {Mitochondrial DNA arranged into chromatin-like structures after injection into amphibian oocyte nuclei},
  year      = {1979},
}