TY - BOOK T1 - Some Conditions Influencing the Incidence of Response Duplication of Verbal Stimuli A1 - Ritter, Anne M. UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.172085 OP - 93 NO - Published as a separate and in The Journal of Psychology, 1949, 28. Donación. ER -