| 000 | 00335nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 220214s9999 xx 000 0 und d | ||
| 100 | _aParr Willima JE | ||
| 245 | 0 | _aSynthesis of selenium-containing para-phenylenediamines: Novel antidegradants for natural rubber | |
| 260 |
_bJ.C.S.Perkin I _c1981 |
||
| 300 | _a3002-3007 | ||
| 942 | _cRE | ||
| 999 |
_c46485 _d46485 |
||