src/userguide/resources/references.txt - commons-math - Git at Google

 monalisa.png - http://commons.wikimedia.org/wiki/File:Mona_Lisa.jpg
 the image is public domain in the United States, and those countries with a copyright term of life of the author plus 100 years or less.
	monalisa.png - http://commons.wikimedia.org/wiki/File:Mona_Lisa.jpg
	the image is public domain in the United States, and those countries with a copyright term of life of the author plus 100 years or less.