@inproceedings{1041516,
    title = "Spatio-temporal SQL externsion",
    author = "Viqueira, J. R. Rios and Λορέντζος, Νίκος Α.",
    year = "2001",
    pages = "264-273",
    publisher = "Εκδοτικός Οργανισμός Λιβάνη",
    booktitle = "8th Panhellenic Conference in Informatics Proceedings (Volume 1)"
}