00247nam a2200109Ia 4500008004100000041000800041082001000049100001600059245001500075260003900090300000800129211209s1991    xx            000 0 und d  aeng  a526.9  aKOCHAR, C L  aSURVEYING   aNEW DELHIbKATSON PUB. HOUSEc1991  a222