| 000 | 00434nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 100920s9999 xx 000 0 und d | ||
| 082 |
_b33096 _a62 थ 49 |
||
| 100 | _aCRAMMER J.L. | ||
| 245 | _aSCIENCE NEWS. | ||
| 260 |
_bPENGUIN BOOKS. _c1949 |
||
| 300 |
_a158 _bसाधी |
||
| 365 | _b0 | ||
| 520 | _aएस.बी. | ||
| 630 | _aSCIENCE NEWS. | ||
| 650 | _aएस.बी. | ||
| 730 | _aSCIENCE NEWS. | ||
| 942 | _cBOOK | ||
| 999 |
_c687837 _d687834 |
||