William F. Appelbe, Anders P. Ravn. Encapsulation Constructs in Systems Programming Languages. ACM Transactions on Programming Languages and Systems, 6(2):129-158, 1984. [doi]
@article{AppelbeR84,
title = {Encapsulation Constructs in Systems Programming Languages},
author = {William F. Appelbe and Anders P. Ravn},
year = {1984},
doi = {10.1145/2993.69615},
url = {http://doi.acm.org/10.1145/2993.69615},
tags = {programming languages, programming},
researchr = {https://researchr.org/publication/AppelbeR84},
cites = {0},
citedby = {0},
journal = {ACM Transactions on Programming Languages and Systems},
volume = {6},
number = {2},
pages = {129-158},
}