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- [38] Multi-frequency VLBI observations of 3C390.3 EXTRAGALACTIC RADIO SOURCES, 1996, (175): : 35 - 37
- [39] Multiwavelength monitoring of the gravitationally lensed blazar QSO B0218+357 between 2016 and 2020 37TH INTERNATIONAL COSMIC RAY CONFERENCE, ICRC2021, 2022,
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