id	domain	url
gi-2760	postgis.refractions.net	http://postgis.refractions.net/docs
gi-2760	www.pgsql.cz	http://www.pgsql.cz/index.php/n%c3%a1vrh
gi-2760	citeseer.ist	http://citeseer.ist.psu.edu/rd/0%2c448594%2c1%2c0.25%2cdownload/http://citeseer.ist
gi-2760	www.mapbender.org	http://www.mapbender.org/presentations/spatial
gi-2760	postgis.refractions.net	http://postgis.refractions.net/docs
gi-2760	www.pgsql.cz	http://www.pgsql.cz/index.php/n%c3%a1vrh_a_realizace_udf_v_c_pro_postgresql#n.c3.a1vrh_vlastn.c3.adch_datov.c3.bdch_typ.c5.af
gi-2760	citeseer.ist.psu.edu	http://citeseer.ist.psu.edu/rd/0%2c448594%2c1%2c0.25%2cdownload/http://citeseer.ist.psu.edu/cache/papers/cs/22615/http:zszzszs2k-ftp.cs.berkeley.edu:8000zsz%7emarcelzszdisszszdiss.pdf/access-methods-for-next.pdf
gi-2760	www.mapbender.org	http://www.mapbender.org/presentations/spatial_data_management_arnulf_christl/spatial_data_management_arnulf_christl.pdf