1. Harrison DD, Janik TJ, Harrison GR, et al. Chiropractic Biophysics technique: A linear algebra approach to posture in chiropractic. Journal of Manipulative and Physiological Therapeutics. 1996;19:525-535
2. Panjabi MM, White AA 3rd, Brand RA Jr. A note on defining body parts configurations. Journal of Biomechanics. 1974;7(4):385-387
3. Harrison DD. Abnormal postural permutations calculated as rotations and translations from an ideal normal upright static posture. In: Sweere JJ, editor. Chiropractic Family Practice. Gaithersburg: Aspen Publishers; 1992. pp. 1-22. Chapter 6-1
4. Harrison DD, Janik TJ, Troyanovich SJ, Holland B. Comparisons of Lordotic cervical spine curvatures to a theoretical ideal model of the static sagittal cervical spine. Spine. 1996;21(6):667-675
5. Harrison DD, Janik TJ, Troyanovich SJ, Harrison DE, Colloca CJ. Evaluations of the assumptions used to derive an ideal normal cervical spine model. Journal of Manipulative and Physiological Therapeutics. 1997;20(4):246-256