Chemical engineering in the Estonian SSR
Desideratum [79-2390]/русский (rus)/английский (eng)/Chemical engineering in the Estonian SSR / By Agu Aarna ; Пер. с эст. Ильмар Коппел.Chemical engineering in the Estonian SSR / By Agu Aarna.Chemical engineering in the Estonian SSR.Tallinn/Perioodika/, 1978 ( ). - Perioodika, 1978. - 63 с., 16 л. ил. : ил., портр. ; 20 см.Chemical engineering in the Estonian SSR. Tallinn, 1978 .У9(2Э)306.00-04/У9(2)306.00-049.9(2Э)/