@electronic{www.tug.org,
   title       = {[comp.text.tex] ps-tree \Tcircle size}, 
   url         = {http://www.tug.org/pipermail/pstricks/1998/000202.html},
   biburl      = {https://puma.uni-kassel.de/url/c38d9e93827eb03d9c2a9665330a6831/benz},
   keywords    = {TCircle circle diameter latex modify pstree pstricks size},
   added-at    = {2011-02-04T16:08:26.000+0100},
   description = {},
   interhash   = {c38d9e93827eb03d9c2a9665330a6831}, 
   intrahash   = {c38d9e93827eb03d9c2a9665330a6831}
}

@electronic{www.sno.phy.queensu.ca,
   title       = {ExifTool by Phil Harvey}, 
   url         = {http://www.sno.phy.queensu.ca/~phil/exiftool/#shift},
   biburl      = {https://puma.uni-kassel.de/url/2ba46cce63bd679d78e660cd57ed437a/benz},
   keywords    = {batch exif header image jpeg jpg modify perl photo tool},
   added-at    = {2011-02-04T16:08:16.000+0100},
   description = {ExifTool is a platform-independent Perl library plus a command-line application for reading, writing and editing meta information in image, audio and video files. ExifTool supports many different types of metadata including EXIF, GPS, IPTC, XMP, JFIF, GeoTIFF, ICC Profile, Photoshop IRB, FlashPix, AFCP and ID3, as well as the maker notes of many digital cameras by Canon, Casio, FujiFilm, HP, JVC/Victor, Kodak, Leaf, Minolta/Konica-Minolta, Nikon, Olympus/Epson, Panasonic/Leica, Pentax/Asahi, Ricoh, Sanyo, Sigma/Foveon and Sony.},
   interhash   = {2ba46cce63bd679d78e660cd57ed437a}, 
   intrahash   = {2ba46cce63bd679d78e660cd57ed437a}
}