@article{article, title  = {{Searches for gravitational waves from known pulsars at two harmonics in the second and third LIGO-Virgo observing runs}},

 publisher = {{American Astronomical Society}},

 url = {{}},

 year = {{2022}},

 month = {{5}},

 author = {{Abbott R and Abe H and Acernese F and Ackley K and Adhikari N and Adhikari RX and Adkins VK and Adya VB and Affeldt C and Agarwal D and Agathos M et al}},

 doi = {{10.3847/1538-4357/ac6acf}},

 volume = {{935}},

 journal = {{The Astrophysical Journal}},

 issue = {{1}},

 note = {{Accessed on 2024/12/22}}}