MAP20110072094 Shykoff, Barbara E. Physiologically acceptable resistance of an air purifying respirator / Barbara E. Shykoff, Dan E. Warkander En: Ergonomics : the international journal of research and practice in human factors and ergonomics. - Oxon [United Kingdom] : Taylor & Francis, 2010- = ISSN 0014-0139. - 01/12/2011 Volumen 54 Número 12 - diciembre 2011