https://en.wikipedia.org/wiki/Milovan_%C4%90ilas
https://drive.google.com/drive/folders/1uw0C5mBZJQn27JT6uMahOvpGHhF9B75L?usp=sharing
The New Class: An Analysis of the Communist System (1957)
He proposed that the party-state officials formed a class which "uses, enjoys and disposes of nationalised property".