| 000 | 00397pam a2200157a 44500 | ||
|---|---|---|---|
| 008 | 230515b1980 xxu||||| |||| 00| 0 eng d | ||
| 020 | _aNULL | ||
| 041 | _aENGL | ||
| 082 | _a503.21 /AAR/APT | ||
| 100 | _aMCGRAWHILL BOOK CO. COMPANY | ||
| 245 | _aMCGRAW-HILL ENCYCLOPEDIA OF SCIENCE & TECHNOLOGY VOL-XII | ||
| 250 | _a6 | ||
| 260 |
_aNULL _bMc. G _c1980 |
||
| 300 | _a612 HB | ||
| 650 | _aNULL | ||
| 999 |
_c619907 _d619907 |
||