00288nam a2200097Ia 4500008004100000082002100041100003800062245004800100260003400148300000800182140113s9999    xx            000 0 und d  a581.1:543   J6.1  a"Paech,K. and Tracey, M.V., Eds."  aModern methods of chemical analysis -Vol. I  a1956bSpringer VerlagcBerlin  a542