A PORTABLE DENSITOMETER FOR ESTABLISHING CLEANING STANDARDS
Autor: | Riggle, Grant C., Rector, David A. |
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Zdroj: | Journal of Environmental Health, 1964 Jan 01. 26(4), 250-251. |
Databáze: | JSTOR Journals |
Externí odkaz: |
Autor: | Riggle, Grant C., Rector, David A. |
---|---|
Zdroj: | Journal of Environmental Health, 1964 Jan 01. 26(4), 250-251. |
Databáze: | JSTOR Journals |
Externí odkaz: |