self-made
20 november 2006
Christophe Dang Ngoc Chan (cdang)
GFDL
Source: see Image:Ondes P et S 1d 30.gif
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Ido | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +/-
الصفحات التالية تحتوي على وصلة لهذه الصورة: