Citation: Hg. Hanken et Rm. Corn, VARIABLE INDEX OF REFRACTION ULTRATHIN FILMS FORMED FROM SELF-ASSEMBLED ZIRCONIUM PHOSPHONATE MULTILAYERS - CHARACTERIZATION BY SURFACE-PLASMON RESONANCE MEASUREMENTS AND POLARIZATION MODULATION FT-IR SPECTROSCOPY/, Analytical chemistry, 67(20), 1995, pp. 3767-3774