Thé content of heavy metals in feeds of thé Tyva Republic R.B. Chysyma, V.L. Petukhov, E.E. Kuzmina, E.Y. Barinov, Yu. A. Dukhanov and G.N. Korotkova J. Phys. IV France, 107 (2003) 297-299 DOI: 10.1051/jp4:20030300
