1. Bohnert HJ, Vornon DM, DeRocher EJ, Michalowski CB, Cushman JC (1992) Biochemistry and molecular biology of CAM. In Wray JL (ed) Inducible Plant Proteins: Their Biochemistry and Molecular Biology. Cambridge University Press, Cambridge, pp 113–137.
2. Gottschalk G (1988) Bacterial Metabolism. Springer-Verlag, New York
3. Hecker M, Babel W (eds) (1988) Physiologie der Mikroorganismen. Gustav Fischer Verlag, Jena
4. Hochachka PW, Somero GN (1973) Strategies of Biochemical Adaptation. WB Saunders, Philadelphia
5. Hsie AW, Rickenberg HV (1966) A mutant of Escherichia coli deficient in phosphoenolpyruvate carboxykinase activity. Biochim Biophys Res Commun 25:676–683