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Spectroscopic Study of the Forbidden Lines [OIII] and [SII] of Crab Nebula Supernova Remnant. Iraqi Journal of Science [Internet]. 2025 Mar. 7 [cited 2025 Jul. 4];56(4c):3564-8. Available from:
https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/15239