@article{article_118607, title={Observation et statistique des taches solaires en 1968}, journal={İstanbul University Science Faculty the Journal of Mathematics Physics and Astronomy}, volume={35}, year={2012}, author={Ballı, Edibe}, keywords={leke, güneş}, abstract={<img src="/public/site/images/hasretatsy/68güneşleke_e.ballı_1.jpg" alt="" />}, publisher={İstanbul Üniversitesi}