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PII: S1473-0502(06)00108-X
doi:10.1016/j.transci.2006.08.002
© 2006 Elsevier Ltd. All rights reserved.
PII: S1473-0502(06)00108-X
doi:10.1016/j.transci.2006.08.002
© 2006 Elsevier Ltd. All rights reserved.