To the article “Empirical Relationships between Crude-oil Characteristics,” by A. I. Mytareva and V. N.

Torkhovskii, Vol. 48, No. 5, pp. 403-408, November, 2012

Formula (3) on page 405 should have read

$$ {{\mathrm{M}}_{\mathrm{avg}}}=18,520exp\left( {{-3.736 \left/ {{\rho_4^{20 }}} \right.}} \right) $$
(3)

and formula (14) on page 407 should have read

$$ {{\mathrm{M}}_{\mathrm{avg}}}=45,660exp\left( {{-4.523 \left/ {{\rho_4^{20 }}} \right.}} \right) $$
(14)

The editorial office of the journal bears the responsibility for these inaccuracies.