High resolution γ-ray spectroscopy of flares on the east and west limbs of the Sun M. J. Harris, V. Tatischeff, J. Kiener, M. Gros and G. Weidenspointner A&A, 461 2 (2007) 723-729 Published online: 09 October 2006 DOI: 10.1051/0004-6361:20066084