https://collaborate.princeton.edu/en/publications/k-subssub-sup0sup-k-subssub-sup0sup-final-state-in-two-photon-col/
KS0KS0 final state in two-photon collisions and implications for glueballs - Princeton...
https://researchconnect.buffalo.edu/en/publications/ksubssubsup0supksubssubsup0sup-final-state-in-two-photon-collisio/
KS0KS0 final state in two-photon collisions and implications for glueballs - SUNY...