00581naa#a2200181#i#450# EN\INFRA-M\bibl\386 20250204132758.2 1998-071X 20130825b2013####ek#y0engy0150####ca RUS RU Research of Acoustic Characteristics related to Noise Release Mufflers of Motor Transport Internal-Combustion Engines Journal article Moscow INFRA-M Academic Publishing LLC. 2013 5 с. Journal article local Bangoyan E. Tupov Vladimir Viktorovich zh-szf.ru