http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/smsp/8-1-28.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/smsp/8-2-28.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/smsp/8-3-28.spk.txt.bz2