Encyclopedic dictionary of semiotics. Tome 2, N-Z / general editor Thomas A. Sebeok ; editor board Paul Bouissac, Umberto Eco, Jerzy Pelc, Roland Posner, Alain Rey, Ann Shukman.    Berlin ; New York ; Amsterdam : Mouton de Gruyter, [1986]  ©1986 . strana 594-1179