@inproceedings{inproceedings, title  = {{Modal Tools for Separation and Refinement.}},

 url = {{}},

 year = {{2008}},

 month = {{1}},

 author = {{Struth G}},

 volume = {{214}},

 journal = {{Electron. Notes Theor. Comput. Sci.}},

 pages = {{81-101}},

 note = {{Accessed on 2024/12/22}}}