MetcalfD. R., Controlled studies of the incidence and significance of 14 and 6 per second positive spikes. Report before the American EEG Society, Atlantic City, June 1962.
2.
GibbsF. A. and GibbsE. L., Fourteen and 6 per second positive spikes. Electroenceph. Clin. Neurophysiol, 15:553–558, 1963.
3.
DemerdashA.Eeg-OlofssonO., and PetersenI., Develop. Med. Child Neurol., 10: 309–316, 1968.
4.
LombrosoC. T., Ctenoids in healthy youths, controlled study of 14 and 6 per second positive spiking, Neurol., 16: 1152–1158, 1966.
5.
SchwartzI. H. and LombrosoC. T., 14 & 6 per second positive spiking (ctenoids) in the electroencephalograms of primary school pupils, J. Pediat., 72: 678–682, 1968.
6.
GibbsF. A. and GibbsE. L., Atlas of Electroencephalography, Vol. 3, Addison-Wesley Pub. Co., Reading, Mass., 1964.