Khassanov Damir Irekovich RussiaKazanKazan Federal University, 18 Kremlyovskaya St., Kazan 420008, Russiaкандидат геолого-минералогических наукdamir.khassanov@mail.ru Author's articles The investigation of the scale effect on porosity in Bashkirian limestones The investigation of the porosity scale effect and elastic anisotropy in Bashkirian limestones