25 godini v sluzhba na tekhnicheskii͡a︡ progres
By: [Ivan Nedelchev ... et al.].
Contributors: Nedelchev, Ivan.
Publisher: Zemizdat
Published: 1979
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 141
Subjects: Fissh institut po mashinostroene, mekhanizatsii͡a︡ i elektrifikatsii͡a︡ na selskoto stopanstvo -- History.
Other titles: Dvadeset i pet godini v sluzhba na tekhnicheskii͡a︡ progres
Notes: Summary in German and Russian.