TY - JOUR A1 - Christensen, W F A1 - Schauer, J J A1 - Lingwall, J W T1 - Iterated confirmatory factor analysis for pollution source apportionment. Y1 - 2006/09/ N1 - R832160 JF - ENVIRONMETRICS J1 - ENVIRONMETRICS VL - 17 IS - 6 SP - 663 EP - 681 ER -