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  1. 1

    Symposium on seed health testing : proceedings /

    Published 1993
    Conference Proceeding Book
  2. 2

    38° Session : Contributed papers = Contributions libres

    Published 1972
    Conference Proceeding Book
  3. 3

    40° Session Contributed papers = Contributions libres

    Published 1976
    Conference Proceeding Book
  4. 4

    Informe del seminario sobre uso del muestreo en las etapas de preparación y utilización de la información censal

    Published 1989
    Conference Proceeding Book