000 00287nam a2200121Ia 4500
008 220201s1984 xx 000 0 eng d
082 _a526.9
_bKOC
100 _aKochher,CL
245 0 _aText book of surveying
260 _bKatson publishing House
_c1984
300 _a616
942 _2ddc
999 _c83276
_d83276