A research on the eucalypts, especially in regard to their essential oils Baker, Richard T. (Richard Thomas), 1854-1941 creator Smith, Henry George 1852-1924 contributor text book Sydney W.A. Gullick, Govt. Printer 1920 1920 2D ed.
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ENG Essences and essential oils Eucalyptus QK495 E86 B3 1920 New South Wales. Dept. of Education. Technical education series, no. 24 https://www.biodiversitylibrary.org/bibliography/22539 10.5962/bhl.title.22539 OTU