00296nam a2200097Ia 4500008004100000082001500041100003600056245003200092260006600124300000800190140113s9999    xx            000 0 und d  a001.5   L3  a"Caty, G.,Drilhon, G. et al�"  aThe Research System vol. II  a1973bOrganization for economic co operation and devt.cParis  a195