000 00288nam a2200121Ia 4500
008 220201s1994 xx 000 0 eng d
082 _a620.9
_bBAS
100 _aBasak, N N
245 0 _aSurveying levelling
260 _aNew delhi
_bTata McGraw Hill
_c1994
300 _a549
942 _2ddc
999 _c26794
_d26794