000			00312nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c75
040			_aET
100			_aKochher C.L.
245		0	_aSurveying-I
260			_bS.K. Katariya & Sons _aNEW DELHI
300			_a279
500			_a56558
942			_cBK
999			_c62571 _d62571