@mastersthesis{jaehnel:gmfcompare,
 author = {Tobias J{\"a}hnel},
 title = {{Visualization of differences be- 
tween EMF models}},
 note = {\url{http://mt.jonmedia.net}},
 school = {{Georg-Simon-Ohm University of Applied Sciences N{\"u}rnberg}},
 year = {2008},
}