00327nas a2200121   4500000000100000000000100001008004100002100001900043245005900062856006400121300001200185490000800197       2020                            d1 aet R. Gold al.00aVerification of Radiative Transfer Schemes for the EHT  uhttps://iopscience.iop.org/article/10.3847/1538-4357/ab96c6  aid. 1480 v897