Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Trifunac, Mihailo D. (Mihailo Dimitrije) and Lee, V. W.","Preliminary empirical model for scaliang Fourier amplitude spectra of strong ground acceleration in terms of earthquake magnitude, source to station distance, site intensity and recording site conditions",,"Dept. of Civil Engineering, University of Southern California",1985,Report,,,,https://cir.nii.ac.jp/crid/1130282270403831424