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  1. By: Crutcher, Harold L. - Joiner, Raymond L. - United States. Environmental Data Service.
    Publication info: Asheville, N.C, Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Data Service, National Climatic Center, 1977
    Holding Institution: Penn State University
    Subjects: Classification of sciences  Cluster analysis  Factor analysis  Numerical taxonomy  
  2. By: Poole, Robert W. - Illinois. Natural History Survey Division
    Publication info: Urbana, Ill, Illinois Natural History Survey Division, 1971
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Biology  Factor analysis  Mathematical models  
  1. By: Arcega-Cabrera Flor - Castillo-Blum, Silvia E. - Armienta, Ma. Aurora
    Type: Article
    In: Revista internacional de contaminación ambiental
    Date: 2010-05-01
    Subjects: Factor analysis  kinetics  Mexico  mining pollution  Taxco  tetraethyl lead