@misc{1161816,
  author = {David L Blackburn},
  title = {Safe operating area limits for power transistors:},
  year = {1977},
  month = {1977-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.SP.400-44},
  language = {en},
}