Enllaços
[1] https://www.granollers.cat/cartografia/medi-ambient-0
[2] http://gis.granollers.cat/emap/emapwebview01.aspx?prjid=MAPNATURA&scope=GRANATURA&Lang=2
[3] http://gis.granollers.cat/emap/emapwebview01.aspx?prjid=MAPARB&scope=ARBRES&Lang=2
[4] https://www.granollers.cat/sites/default/files/Cartografia/mapacapacitatsoroll.pdf
[5] https://www.granollers.cat/sites/default/files/Cartografia/cancabanyes.pdf
[6] https://www.granollers.cat/sites/default/files/Cartografia/protecciocontaminaciolluminosa.pdf