Links for diffpy.Structure

1.0-r5333-20100601 home_page
1.0-r5333-20100601 download_url
1.0-r3067-20090410 home_page
1.0-r3067-20090410 download_url
1.1-r6797-20120415 home_page
1.1-r6797-20120415 download_url