Schellenberg, A., Chmielus, S., Schlicht, C., Camin, F., Perini, M., Bontempo, L., Heinrich, K., Kelly, S. D., Rossmann, A., Thomas, F., Jamin, E. & Horacek, M. 2010. Multielement stable isotope ratios (H, C, N, S) of honey from different European regions. Food Chemistry 121(3): 770–77.