Metamagnetism and crystal-field splitting in pseudohexagonal CeRh3Si2 by Amorese, A, Khalyavin, D, Kummer, K, Brookes, NB, Ritter, C, Zaharko, O, Larsen, CB, Pavlosiuk, O, Pikul, AP, Kaczorowski, D, Gutmann, M, Boothroyd, AT, Severing, A, Adroja, DT