Angle-dependent radiative grain alignment - Confirmation of a magnetic field – radiation anisotropy angle dependence on the efficiency of interstellar grain alignmentB-G Andersson, O. Pintado, S. B. Potter, V. Straižys and M. Charcos-LlorensA&A, 534 (2011) A19DOI: https://doi.org/10.1051/0004-6361/201117670