Gerhard Goos. Hierarchies. In Friedrich L. Bauer, editor, Software Engineering, An Advanced Course, Reprint of the First Edition (February 21 - March 3, 1972). Volume 30 of Lecture Notes in Computer Science, pages 29-46, Springer, 1972.
@inproceedings{Goos72,
title = {Hierarchies},
author = {Gerhard Goos},
year = {1972},
researchr = {https://researchr.org/publication/Goos72},
cites = {0},
citedby = {0},
pages = {29-46},
booktitle = {Software Engineering, An Advanced Course, Reprint of the First Edition (February 21 - March 3, 1972)},
editor = {Friedrich L. Bauer},
volume = {30},
series = {Lecture Notes in Computer Science},
publisher = {Springer},
isbn = {3-540-07168-7},
}