| 000 | 00380nas a2200133Ia 4500 | ||
|---|---|---|---|
| 001 | S1512 | ||
| 008 | 170811c99999999xx |||||||||||| ||und|| | ||
| 245 | _aCommunications of the acm(Association for computing machinery, New York) | ||
| 260 |
_aUnited States : _c1977 - |
||
| 300 |
_b ill. _c cm. |
||
| 362 | _aBegan from year / volume 1977 | ||
| 650 | _vPeriodicals. | ||
| 942 | _cBV | ||
| 999 |
_c184943 _d184943 |
||