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  1. 1

    Proceedings of the international clay conference.

    Published 1976
    Conference Proceeding Book
  2. 2

    Colloid chemistry / by Voyutsky, S.

    Published 1978
    Book
  3. 3

    Soil : an introduction to soils and plant growth / by Donahue, Roy L.

    Published 1977
    Book
  4. 4

    Fisiología general : estructura y dinámica celular / by Giese, Arthur C.

    Published 1968
    Book
  5. 5

    Soils laboratory exercise source book /

    Published 1971
    Book
  6. 6