Solomon Marcus. Bridging Two Hierarchies of Infinite Words. J. UCS, 8(2):292-296, 2002. [doi]
@article{Marcus02:1,
title = {Bridging Two Hierarchies of Infinite Words},
author = {Solomon Marcus},
year = {2002},
url = {http://www.jucs.org/jucs_8_2/bridging_two_hierarchies_of},
researchr = {https://researchr.org/publication/Marcus02%3A1},
cites = {0},
citedby = {0},
journal = {J. UCS},
volume = {8},
number = {2},
pages = {292-296},
}