Martin, T., Frommer, W. B., Salanoubat, M., & Willmitzer, L. (1993). Expression
of an Arabidopsis Sucrose Synthase Gene Indicates a Role in Metabolization of Sucrose Both during Phloem Loading and in Sink
Organs. Plant Journal, 4(2), 367-377. doi:10.1046/j.1365-313X.1993.04020367.x.