Michele Angelaccio, Tiziana Catarci, Giuseppe Santucci. QBD*: A Graphical Query Language with Recursion. IEEE Trans. Software Eng., 16(10):1150-1163, 1990. [doi]
@article{AngelaccioCS90,
title = {QBD*: A Graphical Query Language with Recursion},
author = {Michele Angelaccio and Tiziana Catarci and Giuseppe Santucci},
year = {1990},
url = {http://www.computer.org/tse/ts1990/e1150abs.htm},
tags = {query language},
researchr = {https://researchr.org/publication/AngelaccioCS90},
cites = {0},
citedby = {0},
journal = {IEEE Trans. Software Eng.},
volume = {16},
number = {10},
pages = {1150-1163},
}