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Work supported in part by the Atomic Energy Commission under Contract AT(11-1)-881-391, by the National Science Foundation under Grants no. GU 2175, GP 14521 and GP 24126, by the National Research Council of Canada and by the National Accelerator Laboratory.
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Conforto, B., Conforto, G., Key, A.W. et al. Study of the δ(970)-meson. Lett. Nuovo Cimento 23, 419–423 (1978). https://doi.org/10.1007/BF02787002
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DOI: https://doi.org/10.1007/BF02787002