Akbari, A., Thalmeier, P., & Eremin, I. (2013). Evolution of the multiband Ruderman–Kittel–Kasuya–Yosida interaction: application to iron pnictides and chalcogenides. New Journal of Physics, 15: 033034, pp. 033034-1-033034-16. doi:10.1088/1367-2630/15/3/033034.