Jan van Leeuwen. A Study of Complexity in Hyper-Algebraic Families. In Aristid Lindenmayer, Grzegorz Rozenberg, editors, Automata, Languages, Development: At the crossroads of biology, mathematics and computer science, result of an international conference held at Noordwijkerhout, The Netherlands, March 31 - April 6, 1975. pages 323-333, North-Holland Publishing Company, 1975.
@inproceedings{Leeuwen75-0,
title = {A Study of Complexity in Hyper-Algebraic Families},
author = {Jan van Leeuwen},
year = {1975},
researchr = {https://researchr.org/publication/Leeuwen75-0},
cites = {0},
citedby = {0},
pages = {323-333},
booktitle = {Automata, Languages, Development: At the crossroads of biology, mathematics and computer science, result of an international conference held at Noordwijkerhout, The Netherlands, March 31 - April 6, 1975},
editor = {Aristid Lindenmayer and Grzegorz Rozenberg},
publisher = {North-Holland Publishing Company},
isbn = {0-444-11118-2},
}