Petrography and geochemistry of Pila Spi Formation (Middle- Late Eocene) in Selected Sections / Northern Iraq. Iraqi Journal of Science [Internet]. 2022 Feb. 14 [cited 2024 May 2];57(3C):2291-306. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6466