X PARTICLE SEARCH IN SUPERHIGH-ENERGY INTERACTIONS OBSERVED BY BALLOON EMULSION CHAMBERS. Authors Fuchi, H. Hoshino, K. Kuramata, S. Niu, K. Niwa, K. Shibuya, H. Yanagisawa, Y. Tasaka, S. Hopper, V.D. Maeda, Y. Kimura, H. Lim, Y.K. Ushida, N. Publication Date Jan 01, 1979 Source INSPIRE-HEP Keywords Astrophysics Experiment-Hep License Unknown External links Full record on inspirehep.net