%0 Journal Article
%T Changes in productivity in the boundary between Abderaz and Abtalkh Formations (East Kopet Dagh, NE Iran) evidenced by calcareous nannofossils and elements (Zn, Cu, Cd, Pb and CaCO3)
%A Notghi Moghaddam, Marziyeh
%A  Hadavi, Fatemeh
%J Arabian Journal of Geosciences
%@ 1866-7511
%D 2013