S. zur Nedden, A. S. Doney, and B. G. Frenguelli, “The double-edged sword: Gaining Adenosine at the expense of ATP. How to balance the books,” in Adenosine, 1st ed., S. Masino and D. Boison, Eds. New York: Springer, 2012, pp. 109–129.

H. L. Janovjak, G. Sandoz, and E. Isacoff, “Modern ionotropic glutamate receptor with a K+ selectivity signature sequence,” Nature Communications, vol. 2, no. 232. Nature Publishing Group, pp. 1–6, 2011.