Plastmassid - mis need on?
author
statement of authorship
[E. Piiroja]
source
location of publication
Tallinn
publisher
year of publication
pages
lk. 159-163
subject term
TTÜ department
language
eesti
Piiroja, E. Plastmassid - mis need on? // Kalender 1979. Tallinn : Gondo Olevsoo, 1978. lk. 159-163. https://www.ester.ee/record=b1316711*est