Autor
Hernández Muñoz, Aurelio
4
Kemmer, Frank N.
3
McCallion, John
3
NALCO
3
Eddy, Harrison P.
2
Fair, Gordon Maskew
2
Galán Martínez, Pedro
2
Geyer, John Charles
2
Hernández Lehmann, Aurelio
2
Metcalf, Leonard
2
Okun, Daniel Alexander
2
Barcelona, Michael
1
Gil Rodríguez, Manuel
1
Keely, Joseph F
1
Pettyjohn, Wayne A
1
Wehrmann, Allen
1