00342nam a2200097Ia 4500008004100000082002700041100003000068245010500098260003300203300000800236140113s9999    xx            000 0 und d  a621.039.8:577.1   K3.1  a"Rothchild,Seymour., Ed."  aAdvances in Tracer methodology vol.I : Proceedings of the 5th annual symposium on tracer methodology  a1963bPlenum PresscNew York  a332