R. Walker
发表
C. Alexander,
J. Halperin,
J. Knauer,
1987
.
Determination of picogram amounts of technetium-99 by resin bead mass spectrometric isotope dilution
R. Walker,
T. Anderson,
1980
.
J. Beer,
G. Bonani,
S. Raman,
1987
.
J. A. Carter,
David H. Smith,
R. Walker,
1982
.
J. A. Carter,
R. Walker,
C. Pritchard,
1974
.
J. A. Carter,
J. L. Botts,
R. Walker,
1977
.
J. A. Carter,
J. R. Walton,
R. Walker,
1973
.
J. D. Fassett,
B. Coursey,
K. Inn,
1987
.
Ion microprobe mass spectrometry using sputtering atomization and resonance ionization: Final report
J. A. Carter,
L. K. Bertram,
D. Goeringer,
1987
.
J. A. Carter,
David H. Smith,
R. Walker,
1993
.
J. A. Carter,
D. Donohue,
R. Walker,
1978
.
J. A. Carter,
David H. Smith,
R. Walker,
1983
.