000 | 00323nam a2200121Ia 4500 | ||
---|---|---|---|
008 | 130225s9999 xx 000 0 und d | ||
080 |
_a620.91 _bI61P |
||
245 | _aProceedings: National energy data systems | ||
260 |
_aNew Delhi _bConcept Publishing Company _c1983 |
||
300 | _a511p. | ||
901 | _a272895 | ||
942 |
_cB _2udc |
||
999 |
_c17111 _d17111 |