000 00310nam a2200133Ia 4500
008 230609s9999 xx 000 0 und d
082 _aELK
100 _aElkington, Andrew R
245 0 _aClinical Optics
250 _a3
260 _aUnited State
_b:Blackwell Science
_c1999
300 _a264p.
942 _cBOOK
999 _c2731
_d2731