Leberman, R., Antonsson, B., Giovanelli, R., Guariguata, R., Schumann, R., & Wittinghofer, A. (1980). A SIMPLIFIED PROCEDURE FOR THE ISOLATION OF BACTERIAL POLYPEPTIDE ELONGATION-FACTOR EF-TU. ANALYTICAL BIOCHEMISTRY, 104(1), 29-36. doi:10.1016/0003-2697(80)90272-9.