| 000 | 00461nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a75497 | ||
| 082 |
_a547.6 _bOPE |
||
| 100 | _aons OPEN University of Sri Lanka | ||
| 245 | _aScience: a third level course the nature of chemistry-aromaticity 17-electrophilnds, 19- aromaticity and pericyclic rea | ||
| 260 |
_aNugegoda _bThe Open University of Sri Lanka _c1977 |
||
| 300 | _a51 p. | ||
| 942 | _cR | ||
| 999 |
_c77937 _d77937 |
||