Anal. Chem.

Weber, R., Levsen, K., Louter, G. J., Boerboom, A. J. H., & Haverkamp, J. R. (1982). Direct mixture analysis of surfactants by combined field desorption/collisionally activated dissociation mass spectrometry with simultaneous ion detection. Anal. Chem., 54, 1458–1466.