| 000 | 00340nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 220201s2021 xx 000 0 eng d | ||
| 082 |
_a6 _bCHA |
||
| 100 | _aCHAUHAN, NAReference ESH | ||
| 245 | 0 | _aPReference INCIPAL OF OPEReference ATING SYSTEMS/- | |
| 250 | _a5th | ||
| 260 |
_bOXFOReference D _c2021 |
||
| 300 | _a665p. | ||
| 942 |
_2ddc _03 |
||
| 999 |
_c2530 _d2530 |
||