000 00268nam a2200121Ia 4500
100 _aDouthwaite, W. A
020 _a0-407-01330-X
942 _cBK
245 _aContact lens optics
260 _aButterworths, London
_c1987
082 _a617.7523 Dou
300 _aix,219
999 _c64854
_d64854