Morel, N., Wibo, M., & Godfraind, T. (1981). A Calmodulin-stimulated Ca-2+ Pump in Rat Aorta Plasma-membranes. Biochimica et Biophysica Acta : international journal of biochemistry and biophysics, 644(1), 82-88. https://doi.org/10.1016/0005-2736(81)90061-4 (Original work published 1981)