Samenvatting
Data till 1971 from Germany and countries of the E.E.G. are given of subjects which are mostly mentioned in the keywords.
Data till 1971 from Germany and countries of the E.E.G. are given of subjects which are mostly mentioned in the keywords.
Bochum, Aral Aktiengesellschaft, 1972, 174 p., tab.
Deze publicatie behoort tot de overige publicaties die we naast de SWOV-publicaties in onze collectie hebben.