Double parton scattering inpp collisions at $$\sqrt s = 63$$ GeV - Åkesson, T.; Albrow, M. G.; Almehed, S.; Benary, O.; Bøggild, H.; Botner, O.; Breuker, H.; Carter, A. A.; Carter, J. R.; Choi, Y.; Cleland, W. E.; Dagan, S.; et al. (Springer, 1987)
http://dx.doi.org/10.1007/BF01566757
Keywords: U