@article{journals/etai/Sandewall98,
title = {Cognitive Robotics Logic and its Metatheory: Features and Fluents Revisited.},
author = {Erik Sandewall},
journal = {Electron. Trans. Artif. Intell.},
pages = {307-329},
url = {http://dblp.uni-trier.de/db/journals/etai/etai2.html#Sandewall98},
volume = {2},
year = {1998},
description = {dblp},
ee = {http://www.ep.liu.se/ej/etai/1998/010/}, date = {2004-05-05},
keywords = {dblp }
}
::