https://ufind.univie.ac.at/en/course.html?lv=030131&semester=2026S
u:find - 030131 PKU Digest Exegesis (2026S)
ufinddigestexegesis
https://gcn.nasa.gov/circulars/1866?page=258&limit=100&query=150428C+-+FIELD+1&view=index
GCN - Circulars - 1866 - v2 - GRB 030131: marginal optical detection
gcncircularsgrbmarginaloptical