Derrick, M. et al.(ZEUS Collaboration)M. et al.(ZEUS Collaboration)DerrickMIN-ZU WANG2018-09-102018-09-101992-10http://inspirehep.net/record/339388http://scholars.lib.ntu.edu.tw/handle/123456789/297646[SDGs]SDG7Observation of hard scattering in photoproduction at HERAjournal article10.1016/0370-2693(92)91280-M