| 000 | 00374nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 220216s9999 xx 000 0 und d | ||
| 100 | _aNewton R G | ||
| 245 | 0 | _aRecent progress in providing technically classified natural rubber | |
| 260 |
_bRubber Developments _c1952 |
||
| 300 | _a49-56 | ||
| 650 | _aNatural rubber | ||
| 650 | _aTechnically classified NR | ||
| 942 | _cJS | ||
| 999 |
_c66485 _d66485 |
||