| 000 | 00483nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20210219161408.0 | ||
| 008 | 120511s1987 mx r 000 0 spa d | ||
| 035 | _aUPN01000184424 | ||
| 049 | _aUNE | ||
| 080 | 4 | _a371.13: 5: 6 (430.2) =20 "1987" BLA | |
| 100 | 1 | _aBlandow, Dietrich. | |
| 245 | 1 | 4 |
_aThe experience of gdr in the teaching of science and technology and productive work / _cDietrich Blandow; Erwin Messner. |
| 260 |
_aBerlin : _bUNESCO, _c1987. |
||
| 300 |
_a62 p. ; _bil. |
||
| 999 |
_c156527 _d156527 |
||