GRB 020813
... that the emission spectrum of GRB 020813 confirmed the relation between supernovae and gamma-ray bursts?
... that the <a href="./Emission_spectrum" id="mwAQo" rel="mw:WikiLink" title="Emission spectrum">emission spectrum</a> of <b id="mwAQs"><a href="./GRB_020813" id="mwAQw" rel="mw:WikiLink" title="GRB 020813">GRB 020813</a></b> confirmed the relation between <a href="./Supernova" id="mwAQ0" rel="mw:WikiLink" title="Supernova">supernovae</a> and <a href="./Gamma-ray_burst" id="mwAQ4" rel="mw:WikiLink" title="Gamma-ray burst">gamma-ray bursts</a>?