TY  - JOUR
A1  - Henry, R C
T1  - Duality in multivariate receptor models.
Y1  - 2005/05/28
N1  - R831078
JF  - CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS
J1  - CHEMOMETR INTELL LAB
VL  - 77
IS  - 1-2
SP  - 59
EP  - 63
ER  - 


TY  - JOUR
A1  - Paatero, P 
A1  - Hopke, P K
A1  - Begum, B A
A1  - Biswas, S K
T1  - A graphical diagnostic method for assessing the rotation in factor analytical models of atmospheric pollution.
Y1  - 2005/01/
N1  - R831078
JF  - ATMOSPHERIC ENVIRONMENT
J1  - ATMOS ENVIRON
J2  - Atmos.Environ.
VL  - 39
IS  - 1
SP  - 193
EP  - 201
ER  -