On-axis spatially resolved spectroscopy of low redshift quasar host galaxies: HE 1503+0228, at F. Courbin, G. Letawe, P. Magain, L. Wisotzki, P. Jablonka, K. Jahnke, B. Kuhlbrodt, D. Alloin, G. Meylan, D. Minniti and I. BurudA&A, 394 3 (2002) 863-872DOI: https://doi.org/10.1051/0004-6361:20021246