00279nam a2200121Ia 4500008004100000082001700041100001900058245001400077250001000091260002400101650001400125700001800139220204s9999    xx            000 0 und d  a778.123bJAC  aJacobson,  C I 0aEnlarging  aEd.22  aLondonbFocalc1975  aEnlarging  aMannheim, L A