1. Inicio
2. No metales
3. Boro

• TG No metales

Boro

• CloseMatch http://lemac.sgcb.mcu.es/Autoridades/LEMAC201204336/concept
• CloseMatch http://d-nb.info/gnd/4007709-3
• CloseMatch http://data.bnf.fr/ark:/12148/cb12140810z
• CloseMatch http://id.loc.gov/authorities/sh85015871#concept