000 00266nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a625.723
100 _aAlak De
245 0 _aPlane Surveying
250 _a1
260 _bS Chand, New Delhi
_c2013
942 _cBK
999 _c34399
_d34399