Guting, R. H., Παπαδιάς, Δ., & Lochovsky, F. (1999). Advances in spatial databases: 6th International Symposium, SSD '99 Hong Kong, China, July 20-23, 1999 : proceedings. Berlin: Springer.
Παραπομπή Chicago StyleGuting, Ralf Hartmut, Δημήτρης Παπαδιάς, and Fred Lochovsky. Advances in Spatial Databases: 6th International Symposium, SSD '99 Hong Kong, China, July 20-23, 1999 : Proceedings. Berlin: Springer, 1999.
Παραπομπή MLAGuting, Ralf Hartmut, Δημήτρης Παπαδιάς, and Fred Lochovsky. Advances in Spatial Databases: 6th International Symposium, SSD '99 Hong Kong, China, July 20-23, 1999 : Proceedings. Berlin: Springer, 1999.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.