000			003360000a22001450004500
245			_aPlane and geodetic surveying
100			_aClark, David
250			_a5th ed.
260			_aLondon _bConstable & Co. _c1958
300			_a673 p.
500			_arevised by James Clenndinning
080			_a528 _bC6
041			_aEN
942			_cBK
999			_c51657 _d51657