Skvaril, J Two-dimensional histograms of forward and backward recurrence time intervals for two pulse series analysis. [electronic resource] - Electroencephalography and clinical neurophysiology Dec 1976 - 637-40 p. digital Publication Type: Journal Article ISSN: 0013-4694 Standard No.: 10.1016/0013-4694(76)90008-0 doi Subjects--Topical Terms: AnimalsElectrophysiology--methodsHelix, Snails--physiologyNeurons--physiologyNeurophysiology--methodsSnails--physiology