Retardation Spectrum from Storage Compliance

These are analogs to equations 12 to 20, some of which follow. By the method of Williams and Ferry, when m, the (positive) slope of a doubly logarithmic plot of L, is less than 1  

Equation 23 is used when the slope of (t) is negative and equation 24 when it is positive. The corresponding equation from the method of Ninomiya and Ferry is 

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