Measurement of total gamma absorption for high energy gamma rays F. Kitatani, H. Harada, K. Y. Hara, H. Utsunomiya, S. Goko, T. Kaihori and H. ToyokawaInternational Conference on Nuclear Data for Science and Technology, (2007) 123-126DOI: https://doi.org/10.1051/ndata:07407