@article{article, title  = {{An introduction to active galactic nuclei: Classification and unification}},

 url = {{}},

 year = {{2008}},

 month = {{1}},

 author = {{Tadhunter C}},

 doi = {{10.1016/j.newar.2008.06.004}},

 volume = {{52}},

 journal = {{New Astronomy Reviews}},

 issue = {{6}},

 pages = {{227-239}},

 note = {{Accessed on 2024/10/23}}}