000			00318nam a2200133Ia 4500
005			20260205040308.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a520 C366E
100			_aCHAPMAN R W
245		0	_aELEMENTS OF ASTRONOMY FOR SURVEYORS
260			_aLOND. _bCHARLES _c1953
300			_a245
942			_cBK
999			_c3518 _d3518