@article{article, title = {{Monitoring of active galactic nuclei I. The quasars 1302-102 and 1217 + 023}}, url = {{}}, year = {{1992}}, month = {{1}}, author = {{Jackson N and O'Brien PT and Goad M and Alloin D and Axon DJ and de Bruyn AG and Clavel J and Dietrich M and Gondhalekar PM and van Groningen E and Kollatschny W et al}}, volume = {{262}}, journal = {{Astronomy and Astrophysics}}, pages = {{17-25}}, note = {{Accessed on 2025/04/11}}}