Aharonian, F., Akhperjanian, A., Aye, K., Bazer-Bachi, A., Beilicke, M., Benbow, W., …Wagner, S. (2005). Upper limits to the SN1006 multi-TeV gamma-ray flux from HESS observations. Astronomy & Astrophysics, 437(1), 135-139. https://doi.org/10.1051/004-6361%3A20042522