1. J. H. D. Wesseles and J. H. Sietsma, “Plant Carbohydrates II,” ed. by W. Tanner and F. A. Loewus, Springer-Verlag, Berlin, Heidelberg, New York, 1981, p. 352.
2. T. J. Silhavy, M. L. Berman and L. W. Enquist, “Experiments with Gene Fusions,” Cold Spring Harbor Laboratory, Cold Spring Harbor N. Y., 1984, p. 137.
3. K. McKenny, H. Shimatake, D. Court, U. Schmeissner, C. C. Brady and M. Rosenberg, “Gene Amplification and Analysis,” Vol. II, ed. by J. C. Chirikjian and T. S. Papas, Elsevier/North Holland, Amsterdam, 1981, p. 383.