GobleR E ANicholsP J R. (1971) Rehabilitation of the Severely Disabled. London; Vol. 1.
2.
HamiltonE ANicholsP J R. (1968) Ann. phys. Med.9, 289.
3.
HamiltonE ANicholsP J RTaitG B W. (1969) Ann. phys. Med.10, 223.
4.
KoyacsR. (1956) Electrotherapy and Light Therapy. 6th ed. London.
5.
NicholsP J R. (1971) Rehabilitation of the Severely Disabled. London; Vol. 2.
6.
NicholsP J RBradleyW H. eds (1968) Proceedings of a Symposium on the Motivation of the Physically Disabled. National Fund for Research into Crippling Diseases, London.