00446nam a22001817a 4500003000800000008004100008020001800049041001200067082001500079100001400094245003000108250000900138260003000147300002200177650002500199650002400224650001600248WUSLLib181019b           ||||| |||| 00| 0 eng d  a9788120341982  aEnglish  a526.9bROY  aRoy, S.K.  aFundamentals of surveying  a2nd.  aDelhibPHI Learningc2010  axvii, 606p.c23cm  aHorizontal Diotonces  aUnderground surveys  aTacheometry