000			00296nam a2200133Ia 4500
100			_aDavson, Hugh
020			_a0 443 01892 8
250			_a4th ed
942			_cBK
245			_aPhysiology of the eye
260			_aChurchill livingstone, London _c1980
082			_a612.84 Dav
300			_aix,644
999			_c19977 _d19977