2397 20160701171704.0 ASTROimport-554 de Cuyper, J.-P. 1995 Wavelength Calibration at Moderately High Resolution Unrecognized blending in Thorium-Argon (Th-Ar) lamp spectra is a main contributor to calibration uncertainties. We present improved dispersion-dependent Th-Ar wavelengths for the features seen with moderate dispersion instruments. Hensberge, H. Astronomical Data Analysis Software and Systems IV 77 1995 476 http://esoads.eso.org/abs/1995ASPC...77..476D published in NONREF