1. Muzzle wear of cannon;Montgomery;Wear,1975
2. Research and development to improve artillery ammunition and materiel;Clarke;The Franklin Institute Progress Rep. P-1858-19,1948
3. Research and development to improve artillery ammunition and materiel;Morsell;The Franklin Institute Progress Rep. P-1858-20,1949
4. Research and development to improve artillery ammunition and materiel;Clarke;The Franklin Institute Progress Rep. P-1858-22,1949