00263nam a2200121Ia 4500008004100000041000800041082000800049100001400057245001300071250001000084260003900094300000800133211209s1989    xx            000 0 und d  aeng  aBAL  aBALI, N P  aSTATICS   a7 ed.  aNEW DELHIbLAXMI PUBLICATIONc1989  a543