Competitive solvation of K+ by C6H6 and H2O in the K+-(C6H6)n-(H2O)m (n = 1–4; m = 1–6) aggregates Margarita Albertí and Noelia Faginas Lago Eur. Phys. J. D, 67 4 (2013) 73 Published online: 30 April 2013 DOI: 10.1140/epjd/e2013-30753-x