The authors draws the reader’s attention to the twin toxic hazards that is radiation and chemicals linger , the author effectively fused the pre-existent pollution concerns of urban and industrial reformers to the ecological sensitivities of resource conservation and wilderness...

The aim of this paper is to take stock of the important recent contributions to spectral analysis, especially as they apply to non-stationary processes. Non-stationary processes are particularly relevant in the empirical sciences where most phenomena exhibit pronounced departures from stationary.