Assertion: electric eel's system | /r/HasProperty | explained by keynes
Facets:
value: in 1953
type: TEMPORAL
Source sentences:
text: The discharging system of the electric cells was first explained by a Martins-Ferreira, Altamirano and Keynes in 1953.
text: The discharging system of the electric cells was first explained by a Martins-Ferreira, Altamirano and Keynes in 1953.