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THE FATHER OF BRITISH OPTICS: ROGER BACON, c. 1214-1294. [PDF]
James RR.
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Introductory Address on the Study of Medicine. [PDF]
Gull WW.
europepmc +1 more source
THE FATHER OF BRITISH OPTICS: ROGER BACON, c. 1214-1294. [PDF]
Introductory Address on the Study of Medicine. [PDF]