000 00333nam a2200133Ia 4500
008 240618s9999||||xx |||||||||||||| ||und||
020 _aBOUND VOLUME
040 _aMAIN
082 _a317
100 _aBOUND VOLUME
_935235
245 0 _aCOMMUNICATIONS OF THE ACM, VOL.31(JAN-JUN),1988
260 _bACM
_c1988
_aNEW YORK
942 _cBK
999 _c42152
_d42152