Directory of chemical producers and products. Vol. 1. Chemical enterprises in Central and Eastern Europe

Rok: 1995

Directory of chemical producers and products. Vol. 1. Chemical enterprises in the Mediterranean region

Rok: 1994

Chemical enterprises in Central and Eastern Europe. Vol. 1.

Rok: 1993

Chemical manufacturer's associations and related organizations. Vol. 3

Rok: 1993

Directory of bodies concerned with urban and regional research

Rok: 1990