000 00278nam a2200121Ia 4500
008 220201s1994 xx 000 0 eng d
082 _a526.9
_bBAS
100 _aBasak, N N
245 0 _aSurveying and levelling
260 _aDelhi
_bTMH
_c1994
300 _a549
942 _2ddc
_02
999 _c35149
_d35149