Some Links to Graphic Format Specifications
TU Clausthal
http://ftp.tu-clausthal.de/pub/docs/Archiv/graphic
Uni Freiburg
http://frhewww.physik.uni-freiburg.de/kabuff/graphic/graphic.html
BHAK Graz
http://www.bhak-graz.ac.at/projekte/bilder/bilder.htm
NIMA (National Imagery and Mapping Agency )
NITF (National Imagery Transmission Format)