Iyudin, A. F., Burwitz, V., Greiner, J., Larsson, S., & Küpcü Yoldas, A. (2007). Gamma-ray absorption method (GRAM) application to the identification of EGRET unidentified sources. Extended baselines for the IRAM Plateau de Bure interferometer: first results, 919-926. doi:10.1051/0004-6361:20066890.