00278nam a2200109Ia 4500008004100000020001700041082001500058100002500073245002100098260004100119300000800160190710s9999    xx            000 0 und d  a0-7100-87780  a136.7 P571  aGruber, E Howard Ed. 0aEssential plaget  aLondonbRoutledge & Kegan Paulc1977  a881