Authors: I B J Sollas
Published in Quarterly Journal of Microscopical Science, in 1903, in volume 46, pages 729-735
Created: 2010-11-20, modified: 2011-06-21
Authors: J H Ashworth
Published in Quarterly Journal of Microscopical Science, in 1903, in volume 46, pages 737-785
Created: 2010-11-20, modified: 2011-06-21