Snodgrass, C. Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society;
Skottfelt, J., Bramich, D. M., Jaimes, R. F., Jorgensen, U. G., Kains, N., Arellano Ferro, A., et al. (2015). Searching for variable stars in the cores of five metal-rich globular clusters using EMCCD observations. Astronomy and Astrophysics, 573: A103. doi:10.1051/0004-6361/201424967.