http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/smsp/8-1-20.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/smsp/8-2-20.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/smsp/8-3-20.spk.txt.bz2