Spicer, W. T. H. (1915). DISCUSSION ON THE NECESSITY FOR AN EXACT DEFINITION OF BLINDNESS.
Παραπομπή Chicago StyleSpicer, W. T. Holmes. DISCUSSION ON THE NECESSITY FOR AN EXACT DEFINITION OF BLINDNESS. 1915.
Παραπομπή MLASpicer, W. T. Holmes. DISCUSSION ON THE NECESSITY FOR AN EXACT DEFINITION OF BLINDNESS. 1915.
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