TY  - JOUR
PY  - 1969//
TI  - The luminous transmission ftor of sunglasses
JO  - American journal of optometry and archives of American Academy of Optometry
A1  - Clark, Barry A. J.
SP  - 362
EP  - 378
VL  - 46
IS  - 5
N2  - <p>[Abstract unavailable]</p> <p>Language: en</p> 
LA  - en
SN  - 0002-9408
UR  - http://dx.doi.org/
ID  - ref1
ER  -