000 00372nam a2200145Ia 4500
008 241227s9999 xx 000 0 und d
020 _a978817409
082 _a627.131
_bAGO
100 _aAgor, R.
245 0 _aTectbook of surveying and levelling
260 _aDelhi :
_bKhanna Publisher,
_c2000
300 _a1234.
365 _a399
650 _aHydraulic engineering
999 _c153858
_d153858