Tratado de derecho administrativo y obras selectas. Tomo 9. Primeros manuales. Libro I - Derecho administrativo de la economía. Libro II - Principios generales del derecho público
“ Just as there is no loss of basic energy in the universe, so no thought or action is without its effects, present or ultimate, seen or unseen, felt or unfelt. ” ― Norman Cousins