footnote
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H. Bøggild, K. Hansen, H. Johnstad, R. Møllerud, M. Suk, L. Veje, M. Korkea-Aho, K. V. Laurikainen, P. K. Laurikainen, V. Bakken, S. Bjastad, F. O. Breivik, T. Jacobsen, S. O. Sørensen, O. Danielsson, G. Ekspong, L. Grantstrøm andB. Ronne:Phys. Lett.,30 B, 369 (1969).
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Rushbrooke, J.G. The pomeron-exchange contribution to NN → NNπ . Lett. Nuovo Cimento 2, 181–186 (1971). https://doi.org/10.1007/BF02772746
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DOI: https://doi.org/10.1007/BF02772746