[es] Sistemas virtuales (Informática)

[ca] Sistemes virtuals (Informàtica)

[en] Virtual computer systems

[fr] Systèmes virtuels (informatique)

http://lemac.sgcb.mcu.es/Autoridades/LEMAC201236030/concept

http://data.bnf.fr/ark:/12148/cb11933350k

http://id.loc.gov/authorities/subjects/sh85143804