000 00513cam a2200217ua 4500
001 52819
005 20171214170154.0
007 ta
008 161021s a g b000 u eng u
020 _cNULL (Hb)
040 _aMAIN
041 1 _aeng
_hNULL
082 1 4 _a160
_bHUG/C
100 1 _aHughes, G. E. .
245 1 0 _aA companion to modal logic /
_cG. E. Hughes and M. J. Cresswell.
300 _aNULL :
_bill. ;
_cNULL .
504 _aNULL
653 0 _aLOGIC
700 1 _aCresswell, M. J. .
942 _cBK
999 _c52494
_d52494