Barbara G. Pickard
发表
Barbara G. Pickard,
Roger N. Beachy,
1999
.
Barbara G. Pickard,
B. Pickard,
Jerome W. Van Sambeek,
1976
.
Barbara G. Pickard,
B. Pickard,
1973,
The Botanical Review.
Barbara G. Pickard,
B. Pickard,
T. Caspar,
2004,
Planta.
Barbara G. Pickard,
B. Pickard,
T. Perry,
1976
.
Barbara G. Pickard,
B. Pickard,
2005,
Protoplasma.
Barbara G. Pickard,
B. Pickard,
Jerome W. Van Sambeek,
1976
.
Barbara G. Pickard,
B. Pickard,
1974,
The Science of Nature.