R. Bula
发表
R. Bula,
R. Morrow,
T. Tibbitts,
1991,
HortScience : a publication of the American Society for Horticultural Science.
R. Bula,
R. Morrow,
T. Tibbitts,
1992,
Advances in space research : the official journal of the Committee on Space Research.
G. E. Miles,
R. J. Bula,
M. M. Schreiber,
1978
.
T. Sharkey,
R. Bula,
D. Tennessen,
1995,
Photosynthesis Research.
R. Bula,
1995
.
R. Bula,
R. Davis,
E. Coleman,
1966,
Plant physiology.
G. Broderick,
R. Bula,
W. M. Craig,
1984
.
R. Bula,
C. Rhykerd,
R. Langston,
1959
.
G. Kulcinski,
L. Wittenberg,
R. Bula,
1992
.
C. M. Rincker,
R. Bula,
C. Garrison,
1969
.
C. M. Rincker,
R. Bula,
C. Garrison,
1965
.
M. Anderson,
X. Fu,
R. Bula,
1998,
Advances in space research : the official journal of the Committee on Space Research.
T W Tibbitts,
R J Bula,
R. Bula,
1992,
HortScience : a publication of the American Society for Horticultural Science.
T W Tibbitts,
R J Bula,
W. R. Dinauer,
1992,
Advances in space research : the official journal of the Committee on Space Research.
A. Brundage,
W. Sweetman,
R. Bula,
1956
.
R. H. Shaw,
R. Bula,
D. E. Mccloud,
1964
.
R. Bula,
B. O. Blair,
F. Rumawas,
1971
.
G. O. Mott,
A. G. Matches,
R. Bula,
1963
.
R. J. Bula,
R. Bula,
1972
.
G. O. Mott,
A. G. Matches,
R. Bula,
1962
.
E. E. Miller,
R. Bula,
Dale R. Smith,
1954,
Botanical Gazette.
R. Bula,
B. Kranski,
1970
.
Alex Hoehn,
Louis S. Stodieck,
Paul Todd,
1997
.
T W Tibbitts,
R J Bula,
W. R. Dinauer,
1994,
Advances in space research : the official journal of the Committee on Space Research.
Neil A. Duffie,
R. J. Bula,
Weijia Zhou,
1997
.
Neil A. Duffie,
Robert C. Morrow,
Theodore W. Tibbitts,
1995
.
Robert C. Morrow,
Theodore W. Tibbitts,
R. J. Bula,
1994
.
R. Bula,
C. Garrison,
1962
.
G. O. Mott,
R. Bula,
W. C. Templeton,
1961
.
R. Bula,
Dale R. Smith,
H. Hodgson,
1956
.
R. Bula,
H. Hodgson,
1956
.
Neal Pellis,
Raymond Bula,
Timothy G. Hammond,
2000
.
Reynée W. Sampson,
R. Bula,
W. Günther,
2005,
Phosphorus Sulfur and Silicon and the Related Elements.
R. Bula,
Weijia Zhou,
1997
.
T W Tibbitts,
R J Bula,
T W Tibbits,
1989,
Chronica horticulturae.
G. E. Miles,
R. M. Peart,
R. J. Bula,
1976
.
Neil A. Duffie,
Raymond M. Wheeler,
Douglas W. Ming,
1995
.
R. Bula,
R. Morrow,
T. Tibbitts,
1996,
Advances in space research : the official journal of the Committee on Space Research.
S. M. Bennett,
R. Bula,
R. Morrow,
1989,
Advances in space research : the official journal of the Committee on Space Research.
T Tibbitts,
R Bula,
R Corey,
1988,
Acta horticulturae.