000 00315nam a2200133Ia 4500
008 220201s1978 xx 000 0 eng d
082 _a526.9
_bKOC
100 _aKochher,CL
245 0 _aTextbook of Surveying
250 _a7th
260 _bLudhiana:katson publishing house
_c1978
300 _a566
942 _2ddc
999 _c80315
_d80315