Size-dependent reactivity of aluminum cluster cations toward water molecules Masashi Arakawa, Kei Kohara, Tomonori Ito and Akira Terasaki Eur. Phys. J. D, 67 4 (2013) 80 Published online: 30 April 2013 DOI: 10.1140/epjd/e2013-30677-5