RT Journal Article T1 Analitic expressions for kpis-matrix A1 Fernández-Rañada, Antonio PB Real Soc. Española de Química SN 0365-4818 YR 1969 FD 1969 LK https://hdl.handle.net/20.500.14352/64922 UL https://hdl.handle.net/20.500.14352/64922 DS Docta Complutense RD 4 may 2024