@Incollection{RíosViqueira03,
author = {Viqueira, J. R. and Lorentzos, N. A.},
title = {Spatio-temporal SQL},
booktitle = {Lecture Notes in Computer Science 2563},
publisher = {Springer-Verlag},
address = {Nicosia, Cyprus},
year = {2003},
pages = {50-63}
}