Rafael Lopez is the author of Calculo de Probabilidades e Inferencia Estadistica con topicos de Econometria (1996), Interface Between Relational Databases and Expert Systems (1992), A Multi-level Follow-up Study of the Oklahoma State University's Arts and Sciences Teleconferencing Service (ASTS) Courses in Mathematics (1992), Obra poetica (1990), La arquitectura de Tombuctu (1989).