Title: Tezisy dokladov Vsesoi͡uznoĭ nauchno-tekhnicheskoĭ konferent͡sii "Sostoi͡anie i perspektivy razvitii͡a vakuumnoĭ tekhniki" ("Vakuum-91"), 21-23 mai͡a 1991 g
Subjects: Congresses, Vacuum technology