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 Rudolph F. Wagner
 
 Wagner, Rudolph F. (1970): The Polyglot Reading Test (Experimental Form) [The Polyglot Reading Test (Experimental Form)]. R. interam. Psicol. 4(2), 75-79 (eng.). 
 
 Wagner, Rudolph F. (1968): Blueprints for better reading: An inquiry into the nature of the reading process [Blueprints for better reading: An inquiry into the nature of the reading process]. R. interam. Psicol. 2(4), 245-258 (eng.).