@misc{154421,
  author = {C Edgar},
  title = {Trial of Open System Interconnection (OSI) Protocols Over Integrated Services Digital Network (ISDN)},
  year = {1989},
  month = {1989-08-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}