title: Are GRB 090423 and similar bursts due to superconducting cosmic strings?
authors.affiliation: Key Lab of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, 210008 Nanjing, People's Republic of China.
authors.forename: Yu
authors.initials: Y
authors.lastname: Wang
authors.forename: Yi-Zhong
authors.initials: YZ
authors.lastname: Fan
authors.forename: Da-Ming
authors.initials: DM
authors.lastname: Wei