Koval', L M Newly identified nerve cells of the snail, Helix pomatia, associated with the generation of pacemaker activity. [electronic resource] - Neuroscience and behavioral physiology - 41-6 p. digital Publication Type: Journal Article; Review ISSN: 0097-0549 Standard No.: 10.1007/BF02355651 doi Subjects--Topical Terms: AnimalsBiological Clocks--physiologyHelix, Snails--physiologyNeurons--physiologyNeuropeptides--physiology