TY - JOUR A1 - Ruiz, P A A1 - Lawrence, J E A1 - Ferguson, S T A1 - Wolfson, J M A1 - Koutrakis, P T1 - A counter-current parallel-plate membrane denuder for the non-specific removal of trace gases. Y1 - 2006/08/15 N1 - R827353C013 N1 - R827353 JF - ENVIRONMENTAL SCIENCE & TECHNOLOGY VL - 40 IS - 16 SP - 5058 EP - 5063 ER -