| 000 | 00408nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1973 xx 000 0 und d | ||
| 082 | _a547.59 V21R | ||
| 100 | _aVAN DER PLAS, H.C | ||
| 245 | 0 | _aRing transformations of heterocycles | |
| 260 |
_bLondon _c1973 |
||
| 300 | _av.2 | ||
| 650 | _aHETEROCYCLIC COMPOUNDS | ||
| 653 | _aCHEMISTRY, ORGANIC | ||
| 653 | _aHETEROCYCLIC COMPOUNDS | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c57524 _d57524 |
||