Hinode SOT/SP and SoHO/MDI quiet Sun magnetic field. Implications of their differences on the extrapolated chromospheric field and the height of the magnetic canopyI. Kontogiannis, G. Tsiropoula and K. TziotziouA&A, 531 (2011) A66DOI: https://doi.org/10.1051/0004-6361/201116767
