Further Reading, Chapter 4
Brodal P, The Central Nervous System, Oxford University Press, Oxford, 1992; 113-154.
Nolte J. The Human Brain: An Introduction to its Functional Anatomy. 5th ed. St. Louis: Mosby, 2002; 72-74, 236-247, 302-309.
Willis WD, Coggeshall RE, Sensory Mechanisms of the spinal cord, Vol. 2, Plenum Publishers, New York, 2004.