00243nam a2200109Ia 4500008004100000041000800041082001400049100001400063245002000077260002800097300000800125211209s1983    xx            000 0 und d  aeng  a516.23BAL  aBALI, N P  aSOLID GEOMETRY   bLAXMI PUBLICATIONc1983  a499