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Howard Brett Frost

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Howard Brett Frost · University of California press

190 sayfa · 1919

Plants / Matthiola / Variation

Howard Brett Frost · Agricultural Experiment Station

14 sayfa · 1935

Tangerine / Varieties / Oranges

Howard Brett Frost · California Agricultural Experiment Station, College of Agriculture, University of California

10 sayfa · 1951

Citrus / Varieties