00254nam a2200109Ia 4500008004100000041000800041082001800049100001500067245001300082260004100095300000800136211209s1969    xx            000 0 und d  aeng  a519.5 N69 KHA  aKHANNA M C  aSTATICS   aNEW DELHIbS CHAND AND COMPANYc1969  a272