000 | 00798nam a2200205 a 4500 | ||
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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 |