1 matching record(s)
file E (Stack)Beck, R.
"A Pioneer of the German Optical Industry: Ernst Leitz I - 150th Anniversary of his Birth"
in Scientific and Technical Information (Leica, Wetzlar & Milton Keynes), vol.X no.5, June 1993, pp. 186-187. Presented by G. L'E. Turner Esq.
[1996-72/2]
1993