@article{20.500.12614/961, year = {2011}, url = {http://hdl.handle.net/20.500.12614/961}, title = {Mass spectrometry studies of the retro-cycloaddition reaction of pyrrolidino and 2-pyrazolinofullerene derivatives under negative esi conditions}, doi = {10.1007/s13361-010-0063-y}, volume = {22}, journal = {Journal of the American Society for Mass Spectrometry}, author = {Delgado J.L. and Filippone S. and Martín-Domenech A. and Altable M. and Maroto E. and Langa F. and Martín, Nazario and Martínez-Alvarez R.}, }