David G. Armstrong

发表

David G. Armstrong, 1986 .

Kenneth T. Henson, Tom V. Savage, David G. Armstrong, 2000 .

David G. Armstrong, 1989 .

Jon J. Denton, Tom V. Savage, David G. Armstrong, 1978 .

David G. Armstrong, 1983 .

David G. Armstrong, 1989 .

David G. Armstrong, 1989 .

David G. Armstrong, 1989 .

David G. Armstrong, 1989 .

David G. Armstrong, 1980 .

T. Savage, David G. Armstrong, 1987 .

David G. Armstrong, 1989 .

David G. Armstrong, 1977 .

David G. Armstrong, 1975 .

David G. Armstrong, L. Burlbaw, Constance L. Batten, 1992 .

David G. Armstrong, 1989 .

Francis P. Hunkins, David G. Armstrong, 1984 .