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Poniachik, Jaime (Nombre personal)
Poniachik, Jaime. Hard-to-solve brainteasers, c1998: t.p. (Jaime Lea Poniachik) p. 96 (publisher of Ediciones De Mente; lives in Buenos Aires)
LC database, Nov. 9, 1999 (hdg.: Poniachik, Jaime)