2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/28223A comment on the recently published article (PRL 79, 3166 (1997)) is given. The issue is if there is a unique self-consistent way in determining the effective medium in a random medium. The recently introduced effective medium theory (PRL 75, 3442 (1995)) based on the principle of energy density homogenization is also discussed.1 page, 1 figure, submitted to PRLDisordered Systems and Neural NetworksMaterials Sciencetext