Gastmans, R.Troost, W.Wu, Tai Tsun2019-10-171987Gastmans, R., W. Troost, and Tai Tsun Wu. 1987. “Cross Sections for Gluon + Gluon → Heavy Quarkonium + Gluon.” Physics Letters B 184 (2–3): 257–60. https://doi.org/10.1016/0370-2693(87)90578-8.0370-26931873-2445http://nrs.harvard.edu/urn-3:HUL.InstRepos:41555797en-USCross sections for gluon + gluon → heavy quarkonium + gluonJournal Article2019-10-1710.1016/0370-2693(87)90578-8