RT Journal Article
SR Electronic
T1 A POSSIBLE FALLACY IN THE USE OF THE CROSS-CYLINDER
JF British Journal of Ophthalmology
JO Br J Ophthalmol
FD BMJ Publishing Group Ltd.
SP 1
OP 12
DO 10.1136/bjo.27.1.1
VO 27
IS 1
A1 Williamson-Noble, F. A.
YR 1943
UL http://bjo.bmj.com/content/27/1/1.abstract
AB