Directory of chemical producers and products /
United Nations.Economic Commission for Europe.
New York : United Nations,
1993-
"ECE/CHEM/88"--Vol. 1, pt. 1.
"ECE/CHEM/89"--Vol. 3.
"ECE/CHEM/93" - v.1, pt.2.
"United Nations publication sales no. E.93.II.E.7"--T.p. verso, v. 1, pt. 1.
"United Nations publication sales no. E.39.II.E.17"--T.p. verso, v. 3.
v. 1, pt. 1. Chemical enterprises in central and eastern Europe -- v.1, pt. 2. Chemical enterprises in the Mediterranean Region -- v. 3. Chemical manufacturers' associations and related organizations.
Chemical plants
Chemical plants