Directory of chemical producers and products: Vol. 1, pt. 1 / United Nations & Economic Commission for Europe. United Nations. Economic Commission for Europe. 23 660.025 UND v. 1, pt. 1 . Chemical enterprise in Central and Eastern Europe . Issued in 3 vols.: v. 1. Chemical enterprises (2 v.)-- v. 2. Chemical products -- v. 3. Chemical manufacturers' associations and related organizations. Latest issue consulted: 2nd ed., v. 1, pt. 1. SERBIB/SERLOC merged record New York : United Nations, 1993. 1993. 1993 Text Collection v. ; eng Directory of chemical producers and products Directory of chemical producers and products Europe