https://mirror.las.iastate.edu/CRAN/web/packages/ritis/index.html
CRAN: Package ritis
cranpackage
https://refubium.fu-berlin.de/handle/fub188/44066?locale-attribute=de
Refubium - Prognostic Value of the De Ritis Ratio for Overall Survival in Patients with Metastatic...
https://classicalmodernmusic.blogspot.com/2017/09/anthony-paul-de-ritis-pop-concerto.html?m=1
Gapplegate Classical-Modern Music Review: Anthony Paul de Ritis, Pop Concerto, Boston Modern...
The spectrum of styles to be had in the hands of talented present-day composers is pretty vast. Anthony Paul de Ritis exemplifies a modern...
modern music
https://www.cahdidatabases.coe.int/Contribution/Details/135
De Ritis (individual) v. Government of the United States of America (State) - Jurisprudence - Italy
the united states