Yael Miron
Robert Bac
William C. Maurer
Albert Johan Boks
British Sulphur Corporation, ltd.
American Institute of Chemical Engineers. Air and Ammonia Plant Safety Committee. Ammonium Nitrate Operating Practices Subcommittee.
Allegra Ward
Unknown Author
Robert S. Jankovsky
United States. Department of Agriculture. National Agricultural Library.
Hans Hoppert
Great Britain. Ammonium Nitrate Working Party.
S. L. Goodale
W. J Search
George Bromley Clark
United States International Trade Commission
Johannes van Ooyen
Yeal Miron