Philip D. Robers
发表
Betty W. Holz,
John J. Emberger,
Michael J. Moloney,
1972
.
Adi Ben-Israel,
Philip D. Robers,
1969
.
Adi Ben-Israel,
Philip D. Robers,
1970
.
Carl M. Harris,
Donald Gross,
Philip D. Robers,
1969
.
Philip D. Robers,
1971
.
Donald Gross,
Philip D. Robers,
C. M. Harris,
1972
.
Adi Ben-Israel,
Philip D. Robers,
Adi Ben-Israel,
1970
.