@inproceedings{Giovannelli:2019NO, author = "Giovannelli, Franco", title = "{Accretion Processes in Astrophysics (A General review)}", doi = "10.22323/1.342.0001", booktitle = "Proceedings of Accretion Processes in Cosmic Sources – II {\textemdash} PoS(APCS2018)", year = 2019, volume = "342", pages = "001" }