| 000 | 00346nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 210324s1982 xx 000 0 und d | ||
| 041 | _aeng | ||
| 082 | _a503 | ||
| 100 |
_aMcgraw - Hill _91581761 |
||
| 245 | _aEncyclopedia of Science & technology; an international reference work Vol. 1- 15 | ||
| 260 |
_aNew Delhi _bMcgraw-Hill Book Company _c1982 |
||
| 999 |
_c1030377 _d1030377 |
||