NORMATIVA: www.uni.com ente italiano di unificazione Norme UNI www.astm.org American Society for Testing andMaterials, normative ASTM www.iso.ch International Standard Organisation www.cen.eu CEN - European Committee for Standardization www.bsi-global.com BSI - Uk www.aenor.es AENOR - Spain www.afnor.fr AFNOR - France www2.din.de DIN - Germany www.abnt.org.br ABNT - Brazil www.iram.com.ar IRAM - Argentina www.bis.org.in BIS - India www.sac.gov.cn SAC - China www.gost.ru GOST R - Russian Federation www.standards.org.au SA - Australia www.fepa-abrasives.com federazione dei produttori europei di abrasivi. FEPA PORTALI: www.findstone.com Find Stone - India www.piedra.com Usuarios Piedra - Spain www.stonecontact.com Stone Contact - Usa www.worldstonex.com World Stonex - India www.stone-network.com Stone Network - Uk www.litosonline.com Litos On line - Spain www.stoneworld.com Stone World - Usa www.aboutstone.org About Stone - UK www.stoneexpozone.com Stone Expo Zone - Portugal www.marble-institute.com MIA - Marble Institute - Usa www.cdos-india.com CDOS - India
STATISTICHE INTERNAZIONALI minerals.usgs.gov Minerals USGS Dimensional stone data USA (gov) www.mineralstox.com Mineral Stox www40.statcan.ca Canada's National Statistical Agency www.ibge.gov.br Brazilian Statistical Geographic Foundation www.indec.mecon.ar Argentina Statistical Institute europa.eu.int EUROSTAT Europe www.istat.it ISTAT Italian institute for statistics www.india.gov.in India Statistical data www.stats.gov.cn China Statistical Institute www.gks.ru Russian Committee for Statistics www.abs.gov.au Australian Bureau of Statistics (ABS) STRUMENTI Convertitori di Valuta Yahoo currency converter XE currency Oanda.com currency convert Bank of Canada.ca currency convert Convertitori metrici e fisici www.worldwidemetric.com www.onlineconversion.com Calcolatori on line www.math.com www.calculator.com Prezzi energia, metalli, industriali www.nymex.com www.cbot.com
