@article{2167,
  author = {R. Soria and Rosalba Perna},
  title = {The Oldest X-Ray Supernovae: X-Ray Emission from 1941C, 1959D, and 1968D},
  year = {2008},
  journal = {The Astrophysical Journal},
  volume = {683},
  pages = {767-772},
  month = {08/2008},
  issn = {0004-637X},
  doi = {10.1086/589995},
}