Bild:USA Logan County, Ohio age pyramid.svg

[edit] Author:

• real name: Artur Jan Fijałkowski
• pl.wiki: WarX
• commons: WarX
• mail: [1]
• jabber: WarX@jabber.org
• irc: [2]
• software: own perl scripts

[edit] Description:

[edit] License:

I, the author of this work, hereby publish it under the following license: This file is licensed under the Creative Commons Attribution ShareAlike 2.5 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. Official license