TY - JOUR AU - Delgado J.L. AU - Filippone S. AU - Martín-Domenech A. AU - Altable M. AU - Maroto E. AU - Langa F. AU - Martín, Nazario AU - Martínez-Alvarez R. PY - 2011 DO - 10.1007/s13361-010-0063-y UR - http://hdl.handle.net/20.500.12614/961 T2 - Journal of the American Society for Mass Spectrometry LA - en M2 - 557 TI - Mass spectrometry studies of the retro-cycloaddition reaction of pyrrolidino and 2-pyrazolinofullerene derivatives under negative esi conditions TY - research article VL - 22 ER -