E. Engels
发表
U. Leavell,
E. Engels,
Y. Maruyama,
1974,
Radiologia clinica et biologica.
E. Engels,
1959,
Radiology.
E. Engels,
1958,
Acta radiologica.
S. Krantz,
R. Smith,
E. Engels,
1960,
Radiology.
E. Engels,
1958,
The American journal of roentgenology, radium therapy, and nuclear medicine.