00285nam a2200097Ia 4500008004100000082002900041100001800070245004600088260004500134300000800179140113s9999    xx            000 0 und d  a543.544:541.182.644   M0  a"Fischer, L."  aGel filtration chromatography 2nd edition  a1980bElsevier Publishing Co.cAmsterdam  a269