is a derivative work of the following images: File:Gluehlampe_01_KMJ.jpg licensed with GFDL 2008-01-28T21:39:02Z Arpingstone 768x1276 (378678 Bytes) Needed
derivative work of the following images: File:Gluehlampe_01_KMJ.jpg licensed with Cc-by-sa-3.0-migrated, GFDL 2008-01-28T21:39:02Z Arpingstone 768x1276 (378678