000			00358nam a2200169Ia 4500
100			_aAbrams, David
080			_a617.755
526			_dNTB
526			_aUG
366			_f20%
250			_a10th ed.
942			_cBK
245			_aDuke-Elder's practice of refraction
260			_aButterworth-Heinemann _bWobum _c2015
300			_aviii,301
546			_aE
999			_c53585 _d53585