| 000 | 00798nam a2200205 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160337.0 | ||
| 008 | 081013s2000 mx r 000 0 spa d | ||
| 035 | _aUPN01000163406 | ||
| 049 | _aUNE | ||
| 080 | _a371.13: 5:6 (430.2) =201987 BLA. | ||
| 100 | 1 | _aBlandow, Dietrich. | |
| 245 | 1 | 4 | _aThe Experience of GRD in the teaching of science and technology and productive work/ by Dietrich Blandow; Erwin Messner. |
| 260 | _aBerlin : University College of Education, 1987. | ||
| 300 | _a62 p.; 20 cm. retrs., fot. | ||
| 690 | _aCapacitacion para la investigacion- Republica Democratica A. | ||
| 690 | _aCiencia y tecnologia- Formacion de profesionales | ||
| 690 | _aRepublica Democratica alemana- Capacitacion para la investi | ||
| 700 | 1 | _aMessner, Erwin, coaut. | |
| 905 | _aUNESCO | ||
| 999 |
_c135519 _d135519 |
||