Eckner, J. T., Kutcher, J. S., & Richardson, J. K. (2011). Between-seasons test-retest reliability of clinically measured reaction time in National Collegiate Athletic Association Division I athletes. Journal of athletic training, 46(4), S. 409-414. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3419153/pdf/i1062-6050-46-4-409.pdf

Eckner, James T., Jeffrey S. Kutcher, and James K. Richardson. "Between-seasons Test-retest Reliability of Clinically Measured Reaction Time in National Collegiate Athletic Association Division I Athletes." Journal of Athletic Training 46, no. 4 (2011): S. 409-414.

Eckner, James T., Jeffrey S. Kutcher, and James K. Richardson. "Between-seasons Test-retest Reliability of Clinically Measured Reaction Time in National Collegiate Athletic Association Division I Athletes." Journal of Athletic Training 46.4 (2011): S. 409-414.