Author
Barrera, Víctor Hugo
7
Crissman, Charles
Espinosa A., Patricio
3
Norton, George W.
3
Quishpe, David
2
Wood, Stanley
2
Alwang, Jeffrey
1
Calderón, Luis
1
Cole, Donald C.
1
Edwards, C. Richard
1
Ellis, Mike
1
Hamilton, Sarah
1
Sherwood, Stephen
1
Suárez, Carmen
1
Sánchez, Guillermo E.
1
Weller, Stephen C.
1
Williams, Roger
1