title: Concave tetrathiafulvalene-type donors as supramolecular partners for fullerenes.
authors: Departamento de Química Orgánica, Facultad de C. C. Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain.
authors: Emilio M
authors: EM
authors: Pérez
authors: María
authors: M
authors: Sierra
authors: Luis
authors: L
authors: Sánchez
authors: M Rosario
authors: MR
authors: Torres
authors: Rafael
authors: R
authors: Viruela
authors: Pedro M
authors: PM
authors: Viruela
authors: Enrique
authors: E
authors: Ortí
authors: Nazario
authors: N
authors: Martín