1 "Fișier:Bursting_bonds;_(IA_burstingbonds00pick).pdf".

Fișier:Bursting bonds; (IA burstingbonds00pick).pdf

not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Bursting_bonds;_(IA_burstingbonds00pick).pdf...