@inproceedings{Cesaroni:2009TU, author = "Cesaroni, Riccardo", title = "{Inversion mechanism and maser emission in the interstellar medium}", doi = "10.22323/1.065.0018", booktitle = "Proceedings of 2nd MCCT-SKADS Training School. Radio Astronomy: fundamentals and the new instruments {\textemdash} PoS(2nd MCCT-SKADS)", year = 2009, volume = "065", pages = "018" }