000 00288nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aCommunications of the ACM
260 _aAssociation for Computing Machinery
_bNew York
_c1 Jan-30 Apr,2003
362 _a46-46
_b01-Apr
942 _2ddc
_cJ
999 _c177964
_d177964