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  - 


TY  - JOUR
A1  - Christensen, W F
A1  - Dillner, A M
A1  - Schauer, J J
A1  - Reese, C S
T1  - Clustering composition vectors using uncertainty information.
Y1  - 2007/12/
N1  - R832160
JF  - ENVIRONMETRICS
J1  - ENVIRONMETRICS
VL  - 18
IS  - 8
SP  - 859
EP  - 869
ER  - 


TY  - JOUR
A1  - Christensen, W F
A1  - Schauer, J J
T1  - Impact of species uncertainty perturbation on the solution stability of positive matrix factorization of atmospheric particulate matter data.
Y1  - 2008/08/15
N1  - R832160
JF  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
J1  - ENVIRON SCI TECHNOL
J2  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
J3  - Enviornmenal Research
VL  - 42
IS  - 16
SP  - 6015
EP  - 6021
ER  - 


TY  - JOUR
A1  - Christensen, W F
A1  - Schauer, J J
T1  - Quantifying and manipulating species influence in positive matrix factorization.
Y1  - 2008/12/15
N1  - R832160
JF  - CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS
J1  - CHEMOMETR INTELL LAB
VL  - 94
IS  - 2
SP  - 140
EP  - 148
ER  - 


TY  - JOUR
A1  - Heaton, M J
A1  - Reese, C S
A1  - Christensen, W F
T1  - Incorporating time-dependent source profiles using the Dirichlet distribution in multivariate receptor models.
Y1  - 2010/02/
N1  - R832160
JF  - TECHNOMETRICS
J1  - TECHNOMETRICS
VL  - 52
IS  - 1
SP  - 67
EP  - 79
ER  - 


TY  - JOUR
A1  - Lingwall, J W
A1  - Christensen, W F
T1  - Pollution source apportionment using <em>a priori</em> information and positive matrix factorization.
Y1  - 2007/06/
N1  - R832160
JF  - CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS
J1  - CHEMOMETR INTELL LAB
VL  - 87
IS  - 2
SP  - 281
EP  - 294
ER  - 


TY  - JOUR
A1  - Lingwall, J W
A1  - Christensen, W F
A1  - Reese, C S
T1  - Dirichlet based Bayesian multivariate receptor modeling.
Y1  - 2008/09/
N1  - R832160
JF  - ENVIRONMETRICS
J1  - ENVIRONMETRICS
VL  - 19
IS  - 6
SP  - 618
EP  - 629
ER  - 


TY  - JOUR
A1  - Williams, B 
A1  - Christensen, W F
A1  - Reese, C S
T1  - Pollution source direction identification:embedding dispersion models to solve an inverse problem.
Y1  - 2011/12/27
N1  - R832160
JF  - ENVIRONMETRICS
J1  - ENVIRONMETRICS
VL  - 22
IS  - 8
SP  - 962
EP  - 974
ER  -