http://www.regione.emilia-romagna.it
http://finanziaria2010.enea.it/index.asp
http://www.aicarr.org
http://vetrina.ilsole24ore.com/ambientesicurezza
http://www.insic.it
http://www.periti-industriali.milano.it/home.html
http://www.associazionevaleriovivarelli.it/default.aspx
http://www.bmsistemi.com/contents
http://www.edilclima.it/it/home/index.php
http://www.caleffi.it/caleffi/it_IT/Site/Technical_library/Norms_legislation/index.sdo
http://www.perindbo.org/
http://www.fire-italia.it
http://www.legislazionetecnica.it
http://www.edilportale.com
http://www.acca.it/Prezzari-net/Home/TabId/1051/Default.aspx
http://www.vigilfuoco.it
http://www.ambientediritto.it
http://www.cig.it/site/home.php
http://www.impiantienergie.it
http://associazioneitalianadiacustica.it
http://www.associazioneitalianadiacustica.it
http://www.eaa-fenestra.org.it
http://www.uni.com
http://www.iso.ich
http://www.cenorm.be
http://www.engineeringtoolbox.com
http://www.hyperphysics.pht-astr.gsu.edu
http://www.measure.demon.co.uk
http://www.sq1.com
AUSTRIA http://www.energiesparhaus.at/energieausweis
DANIMARCA http://www.ens.dk/da-dk/Sider/forside.aspx
FRANCIA http://www2.ademe.fr/servlet/getDoc?id=11433&m=3&cid=96
GERMANIA http://www.enev-normen.de
OLANDA http://www.ecn.nl/nl
SVIZZERA http://www.minergie.ch
http://ec.europa.eu/commission_2010-2014/hedegaard/index_en.htm
http://ec.europa.eu/dgs/clima/mission/index_en.htm
http://www.energycity2013.it/play/en/