DescritzioneSistema, frontera i entorn.svg	Frontera entre un sistema i el seu entorn
Data	27 Trìulas 2012, 21:56 (UTC)
Mitza	This file was derived from: System boundary.svg:
Autore	System_boundary.svg: en:User:Wavesmikey, traced by User:Stannered derivative work: Arnaugir

This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: translated to Catalan. The original can be viewed here: System boundary.svg: . Modifications made by Arnaugir.

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This work has been released into the public domain by its author, [[Wikipedia:User:[[Wikipedia:User:{{{1}}}|{{{1}}}]] at inglesu Wikipedia|[[Wikipedia:User:{{{1}}}|{{{1}}}]] at inglesu Wikipedia]] at inglesu Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: [[:Wikipedia:en:User:[[:Wikipedia:en:User:{{{1}}}|{{{1}}}]]|[[:Wikipedia:en:User:{{{1}}}|{{{1}}}]]]] grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse

Public domainPublic domainfalsefalse

This work has been released into the public domain by its author, Example, at the [[::|inglesu Wikipedia]] project. This applies worldwide. In case this is not legally possible: Example grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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This image is a derivative work of the following images:

• File:System_boundary.svg licensed with PD-user-en, PD-user-w
  • 2008-01-09T20:40:28Z Stannered 931x818 (4372 Bytes) {{Information |Description=The boundary between a system and its surroundings |Source=[[:en:Image:System-boundary.jpg]] |Date=2008-01-09 |Author=[[:en:User:Wavesmikey]], traced by [[User:Stannered]] |Permission={{PD-user-en|W

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