| 000 | 00431 a2200157 04500 | ||
|---|---|---|---|
| 001 | 1537 | ||
| 008 | 050602s1980 0 d | ||
| 082 | 0 |
_a333.82 _bW927c |
|
| 245 | 0 | _aCoal bridge to the future. | |
| 260 | 4 |
_aCambridge.: _bMass Mass Ballinger., _c1980 |
|
| 300 | 4 | _a247. p. | |
| 650 |
_acarbón _z-aprovechamiento _956054 |
||
| 650 |
_acarbón _z-producción _956055 |
||
| 942 |
_2ddc _cBK |
||
| 999 |
_c2013 _d2013 |
||