000 00303nam a2200133Ia 4500
008 220201s1990 xx 000 0 eng d
082 _a526.9
_bKOC
100 _aKocher, CL
245 0 _aTextbook of surveying
250 _a9
260 _bLudhiana : Katson Pub.
_c1990
300 _a616
942 _2ddc
999 _c85134
_d85134