D. Engels
发表
Rheta LeAnne Steen,
D. Engels,
W. T. Thweatt,
2006
.
D. Engels,
G. Robb,
Donald C. Mappes,
1985
.
Robert L. Smith,
D. Engels,
E. C. Bonk,
1985
.
D. Engels,
Frederick A. Schrank,
1981
.
Robert I. Urofsky,
D. Engels,
Ken Engebretson,
2009
.
Robert I. Urofsky,
D. Engels,
2003
.
J. Zibert,
Beth A. Durodoye,
D. Engels,
1998
.
D. Engels,
1991
.
Joseph D. Dameron,
D. Engels,
1995
.
Carole W. Minor,
J. Sampson,
Howard H. Splete,
1995
.
D. Engels,
J. J. Muro,
1986
.
D. Engels,
G. Robb,
J. J. Muro,
1983
.
L. Bradley,
D. Engels,
2001
.
D. Engels,
2012
.
Henry L. Harris,
Michael K. Altekruse,
D. Engels,
2003
.
D. E. Sampson,
David A. Caulum,
D. Engels,
1984
.
D. Engels,
1981
.
Spencer G. Niles,
J. Lenz,
D. Engels,
2009
.
D. Engels,
Bobbie L. Wilborn,
1984
.
D. Engels,
Jill Jackson,
1999
.
Michael J. Wilson,
David Edwin Foster,
Dennis W. Engels,
1986
.