1. Sensory precipitation and reflex mechanisms;Bickford,1969
2. Some observations on the mechanism of photic and photo-Metrazol activation;Bickford;Electroenceph. clin. Neurophysiol.,1952
3. The visual evoked potential: physiological, developmental and clinical aspects;Creutzfeldt;Electroenceph. clin. Neurophysiol.,1967
4. Production of rhythmically recurrent cortical potentials after localised thalamic stimulation;Dempsey;Amer. J. Physiol.,1942
5. Visually evoked potentials recorded transcranially in man;Gastaut,1964