000 00319nam a2200133Ia 4500
008 170101s1984 xx 000 0 und d
082 _a624.151 AGO
100 _aAgor, R
245 2 _aA textbook on Surveying and levelling
250 _a3rd Ed
260 _aDelhi
_bKhanna
_c1984
300 _aP.944
942 _2ddc
_cBK
999 _c30881
_d30881