Van Schaftingen, E., & Hers, HG. (1980). Synthesis of a Stimulator of Phosphofructokinase, Most Likely Fructose 2,6-bis-phosphate, From Phosphoric-acid and Fructose 6-phosphoric Acid. Biochemical and Biophysical Research Communications, 96(4), 1524-1531. https://doi.org/10.1016/0006-291X(80)91347-9 (Original work published 1980)