http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/dense/6-2-4.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/dense/6-2-5.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/dense/6-2-6.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/dense/6-2-7.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/dense/6-2-10.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/dense/6-2-11.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/dense/6-2-13.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/dense/6-2-14.spk.txt.bz2
http://potterlab.bme.gatech.edu/development-data/simple-text/daily/spont/dense/6-2-17.spk.txt.bz2