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Bromelioideae (Bromeliaceae)
by Lyman B. Smith and Robert Jack Downs
Bok Engelsk 1979
Tillandsioideae (Bromeliaceae)
by Lyman B. Smith and Robert Jack Downs
Bok Engelsk 1977
Controlled environments for plant research
Robert Jack Downs
Bok Språk ikke angitt 1975
Environment and the experimental control of plant growth
Downs, Robert Jack
Bok Engelsk 1975