1. Kadis, S., Weinbaum, G., Ajl, S. J. (ed): Microbial toxins. Vol. 5, 507 Academic Press, New York 1971.
2. Lüderitz, O., Westphal, O., Staub, A. M., Nikaido, H. Isolation and chemical and immunological characterization of bacterial lipopolysaccharides. In:G. Weinbaum, S. Kadis, S. J. Ajl. Microbial toxins. Vol. 4, 145 to 233, Academic Press, New York, 1971.
3. Lüderitz, O., Galanos, C., Lehmann, V., Nurminen, M., Rietschel, E. T., Rosenfelder, G., Simon, M., Westphal, O. LipA: Chemical Structure and Biological Activity. Vol. 128, J. Infect. Dis. (1973) 17–26.
4. Westphal, O., Lüderitz, O. Chemische Erforschung von Lipopolysacchariden gramnegativer Bakterien. Angew. Chemie, 66 (1954) 407–417.
5. Grollmann, A. P., Osborn, M. J. O-phosphorylethanolamine: a component of lipopolysaccharide in certain gramnegative bacteria. Biochemistry, 3 (1964) 1571 to 1574.