Yamashita M, Fenn JB (1984) J Phys Chem 88:4451–4459
Yamashita M, Fenn JB (1984) J Phys Chem 88:4671–4675
Whitehouse CM, Dreyer RN, Yamashita M, Fenn JB (1985) Anal Chem 57:675–679
Wang G, Cole RB (1994) Anal Chem 66:3702–3708
Emmert J, Pfluger M, Wahl F (2004) LCGC Eur 17:646–649
Kaiser P, Akerboom T, Wood WG, Reinauer H (2006) Clin Lab 52:37–42
Lee SW, Kim HS, Beauchamp JL (1998) J Am Chem Soc 120:3188–3195
Hsu FF, Bohrer A, Turk J (1998) J Am Soc Mass Spectrom 9:516–526
Apffel A, Fischer S, Goldberg G, Goodley PC, Kuhlmann FE (1995) J Chromatogr A 712:177–190
Niessen WMA (1999) Liquid Chromatography–Mass Spectrometry. Marcel Dekker, New York, pp 318–324
Zhou S, Hamburger M (1995) Rapid Commun Mass Spectrom 9:1516–1521
http://www.expasy.org/tools/pi_tool.html
Manisali I, Chen DDY, Schneider BB (2006) Trends Anal Chem 25:243–256
Bruins AP, Covey TR, Henion JD (1987) Anal Chem 59:2642–2646
Rodriquez CF, Fournier R, Chu IK, Hopkinson AC, Siu KWM (1999) Int J Mass Spectrom 192:303–317
Rodriquez CF, Guo X, Shoeib T, Hopkinson AC, Siu KWM (2000) J Am Soc Mass Spectrom 11:967–975
