Unusual behavior of gem-diamino peptides in fast atom bombardment and electrospray ionization mass spectrometry B. Vivet, F. Cavelier, C. Enjalbal, J. Martinez, P. Sanchez and J.-L. AubagnacAnalusis, 28 4 (2000) 268-272DOI: https://doi.org/10.1051/analusis:2000280268