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by Rivera, Rafael R. Hernandez
by de Macarrulla, Lidia M. Martínez; Perez, Jorge E.; de Padua, Rafael Hernandez
by Collodi, Carlo; Calleja, Rafael; B., Martin Hernandez
by Dizdarevic, Diana; Sanchez, Rafael Rivera; del Cueto, Jose de Jesus Reyes Ruiz; et al.
by Vega, Jose Rafael; Ortiz, Ramon Hernandez; Rosario, Clara Lopez
by Trujillo, Monica; Ordonez, Armado; Hernandez, Rafael
by Hernandez-nieto, Rafael, Ph.d.
by Hernandez-nieto, Rafael A., Ph.d.; Duran, Mariano