Columbia subject headings:
Environmental economics--Europe, Eastern--Congresses.
Environmental economics--Former Soviet republics--Congresses.
Environmental policy--Europe, Eastern--Congresses.
Environmental policy--Former Soviet republics--Congresses.
Environmental protection--Finance--Europe, Eastern--Congresses.
Environmental protection--Finance--Former Soviet republics--Congresses.
Harvard subject headings:
Environmental economics--Europe, Eastern--Congresses.
Environmental economics--Former Soviet republics--Congresses.
Environmental policy--Europe, Eastern--Congresses
Environmental policy--Former Soviet republics--Congresses.
Environmental protection--Europe, Eastern--Finance--Congresses.
Environmental protection--Finance--Europe, Eastern--Congresses.
Environmental protection--Finance--Former Soviet republics--Congresses.
Environmental protection--Former Soviet republics--Finance--Congresses.
Princeton subject headings:
Environmental economics--Europe, Eastern--Congresses.
Environmental economics--Former Soviet republics--Congresses.
Environmental policy--Europe, Eastern--Congresses.
Environmental policy--Former Soviet republics--Congresses.
Environmental protection--Europe, Eastern--Finance--Congresses.
Environmental protection--Former Soviet republics--Finance--Congresses.