@InProceedings{BCT09, author = "J. Barnat and I. \v{C}ern\'{a} and J. T\r{u}mov\'{a}", title = "{Quantitative Model Checking of Systems with Degradation}", booktitle = "Proceeding of the Sixth International Conference on Quantitative Evaluation of Systems (QEST 2009)", pages = "21--30", year = "2009", publisher = "IEEE" }