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  1. 1

    An improved method for evaluating microbiological quality of drinking water using the H2S paper strip test по De Sales-Papa, Louernie F.

    Опубликовано 2011
    Диссертация

    An improved method for evaluating microbiological quality of drinking water using the H2S paper strip test
  2. 2

    A study of the acid-base indicators found in the coloring matter of some plants по Velasco, Josefa (Flores) 1923-

    Опубликовано 1967
    Диссертация

    A study of the acid-base indicators found in the coloring matter of some plants
  3. 3

    A study of the acid-based indicators found in the coloring matter of some plants по Flores-Velasco, Josefa

    Опубликовано 1967
    Диссертация

    A study of the acid-based indicators found in the coloring matter of some plants
  4. 4

    Chemical indicators по Tomicek, Oldrich

    Опубликовано 1951
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    Chemical indicators
  5. 5

    Visual humidity indicators (indicating humidity by color change in gas atmospheres) по Abad, Ramona (Vivera) 1935-

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    Visual humidity indicators (indicating humidity by color change in gas atmospheres)

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