Frank Hughes
The Fixation of Atmospheric Nitrogen: A Communication Made to The Cairo Scientific Society, January 3, 1919 - Cairo Government Press 1922 - 13 28 cm - Bulletin - Technical and Scientific Service 20 .
1922
English
General
The Fixation of Atmospheric Nitrogen: A Communication Made to The Cairo Scientific Society, January 3, 1919 - Cairo Government Press 1922 - 13 28 cm - Bulletin - Technical and Scientific Service 20 .
1922
English
General