Pure Appl. Chem., 1961, Vol. 3, No. 1-2, pp. 25-28
http://dx.doi.org/10.1351/pac196103010025
The investigation of present-day definitions and concepts of maximum allowable concentrations in North America
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Pure Appl. Chem., 1961, Vol. 3, No. 1-2, pp. 25-28
http://dx.doi.org/10.1351/pac196103010025