http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/ulsp/8-1-6.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/ulsp/8-2-6.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/ulsp/8-3-6.spk.txt.bz2