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245 _aMathematical methods of specification and synthesis of sotware systems '85,Proceedings of the International spring school Wendisch-Rietz, GDR, April 1985
260 _aBerlin
260 _bSpringer-Verlag
440 _aLecture notes in computer science ; 00215
942 _cBK
_2BK7184
080 _a681 LNCS
999 _c7184
_d7184