Зведений каталог бібліотек Львова
VI C3 The Chemical Age. A Weekly Journgl Devoted to Industrial and Engineering Chemistry [Текст]. — London, 1937. — №928.
- Є складовою частиною документа:
The Chemical Age. A Weekly Journgl Devoted to Industrial and Engineering Chemistry [Текст]. — London, 1937-1939.
- Теми документа