Borisov, N B [Determination of the penetration of gaseous substances through a Lepestok-type sorption-filter respirator]. [electronic resource] - Gigiena i sanitariia Aug 1982 - 57-9 p. digital Publication Type: Journal Article ISSN: 0016-9900 Subjects--Topical Terms: AbsorptionEvaluation Studies as TopicFiltration--instrumentationGases--pharmacologyHumansModels, StructuralProtective DevicesRespiratory Protective Devices