00363nam a2200133Ia 4500003000400000008004100004020001300045040000800058100001900066245007600085260002700161300001500188440002600203LDD181029s9999    xx            000 0 und d  a80334091  cLDD  aEraut, Michael 4aThe International encyclopedia of educational technologycMichael Eraut  aOxfordbPergamonc1989  axxii, 654p  aAdvances in education