%0 Journal Article
%T 
%A Shirokova, V.A.
%A Hutorova, A.O.
%A Yurova, Y.D.
%K ecological state, anthropogenic loadings, state standard, requirements, recreation zones, assessment technique, Heracléum
%J MOSCOW ECONOMIC JOURNAL
%D 2017
%N 2
%P 0
%I Electronic science