What years did Carlos Martinez Alonso do his work?

Carlos Martínez Alonso, a notable figure in the field of physics, primarily conducted his research and published work from the late 20th century into the early 21st century. His contributions spanned various topics, particularly in the areas of statistical mechanics and complex systems. While specific years of his most impactful work can vary, he was active throughout the 1990s and 2000s. For precise dates, it would be best to consult specific publications or a detailed bibliography of his work.