Positive and negative regulation of carbon nanotube catalysts through encapsulation within macrocycles oleh Matías Blanco, Belén Nieto-Ortega, Alberto de Juan, Mariano Vera-Hidalgo, Alejandro López-Moreno, Santiago Casado, Luisa R. González, Hidetaka Sawada, José M. González-Calbet, Emilio M. Pérez