www.nokiacitta.it/pages/bollettino.asp
www.arpa.emr.it/pollini
www.arpat.toscana.it/aria
www.arpa.veneto.it/pollini.htm
www.ariaweb.it/pollen.php
www.isao.bo.cnr.it/aerobio/aia/POLTEXT.html
www.agr.unipg.it/dbvba
www.univie.ac.at/ean
www.cat.at/pollen/index.en.html
www.geo.arizona.edu/palynology
www.siaic.com
www.newcastle.edu.au/discipline/geography/research_information/pollen
