供引用:

Karpov E.A., Tararuev V.V. ESTIMATION OF EXPENSES FOR ENVIRONMENT PROTECTION MEASURES AS A PART OF TOTAL COST OF IRON ORE PRODUCTS (ON THE EXAMPLE LEBEDINSKY MINING AND CONCENTRATING WORKS). Russian Journal of Industrial Economics. 2010;(1):31-33. (In Russ.) https://doi.org/10.17073/2072-1633-2010-1-31-33