Tung, Y. C.Y. C.TungYEE HSIUNG et al2018-09-102018-09-102009-06http://inspirehep.net/record/854694http://scholars.lib.ntu.edu.tw/handle/123456789/349493Search for a light pseudoscalar particle in the decay K0(L) ---> pi0 pi0 X at the E391a experimentconference paper