00514naa#a2200181#i#450# EN\\bibl\24755 20241115170333.5 1609-3178 20190114b2019####ek#y0engy0150####ca RU Leakage Analysis of Pneumatic Cylinders Using Acoustic Emission Journal article Saint-Petersburg LLC SVEN 2019 3 с. Journal article local Mahmoud Hussam Mazal Pavel Vlašic Frantishek naukaru.ru