Andrew G. Malis, David Robinson, Robert L. Ullmann. Multiprotocol Interconnect on X.25 and ISDN in the Packet Mode. RFC, 1356:1-14, August 1992. [doi]
@article{rfc1356,
title = {Multiprotocol Interconnect on X.25 and ISDN in the Packet Mode},
author = {Andrew G. Malis and David Robinson and Robert L. Ullmann},
year = {1992},
month = {August},
doi = {10.17487/RFC1356},
url = {https://doi.org/10.17487/RFC1356},
researchr = {https://researchr.org/publication/rfc1356},
cites = {0},
citedby = {0},
journal = {RFC},
volume = {1356},
pages = {1-14},
}