%0 Journal Article %T Nitrogen isotope variations and environmental perturbations during Cenomanian-Turonian transition in the NE Tethyan realm, Kopet-Dagh basin %A Kalanat, Behnaz %A Mahmudy Gharaie, Mohamad Hosein %A Vahidinia, Mohammad %A H. Vaziri-Moghaddam %A A. Kano %J Geopersia %@ 2228-7817 %D 2017