00281nam a2200109Ia 4500008004100000041000800041082001800049100001600067245001500083260006500098300000800163211209s1996    xx            000 0 und d  aeng  a526.9 N96 DUG  aDUGGAL, S K  aSURVEYING   aNEW DELHIbTATA MCGRAW-HILL PUBLISHING COMPANY LIMITEDc1996  a662