00273nam a2200097Ia 4500008004100000082001300041100003500054245004000089260003800129300000800167140113s9999    xx            000 0 und d  a543   K9  a"Pecsok, R.L. & Sheilds, L.D."  aModern methods of chemical analysis  a1968bJohn Wiley & SonscNew York  a480