Piet Cleij (born 27 May 1927) is a Dutch linguist who lives in Bilthoven, Netherlands. He is currently the vice-secretary of the Union Mundial pro Interlingua and the chief lexicographer in the Interlingua community. Wikipedia
The definitive Wikipedia entry for Piet Cleij. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Piet_Cleij
Le Union Mundial pro Interlingua presenta le international lingua auxiliar interlingua que es immediatemente comprensibile pro plure centos milliones de homines in tote le mundo. Le UMI esseva fundate in julio 1955 e ha organisationes nationa, representan www.interlingua.com/
