@article{article, title = {{Variation of solar oscillation frequencies in solar cycle 23 and their relation to sunspot area and number}}, url = {{}}, year = {{2012}}, month = {{1}}, author = {{Jain R and Tripathy SC and Watson FT and Fletcher L and Jain K and Hill F}}, doi = {{10.1051/0004-6361/201219876}}, volume = {{545}}, journal = {{Astronomy and Astrophysics}}, note = {{Accessed on 2025/07/26}}}