Nat͡sionalʹnai͡a nauchno-tekhnicheskai͡a konferent͡sii͡a s mezhdunarodnym uchastiem na temu "Mashiny i sistemy dli͡a mekhanizat͡sii i avtomatizat͡sii podʺemno-transportnykh prot͡sessov" (1982 Plovdiv, Bulgaria)