Essential oils
Guenther, Ernest
Essential oils - New York: D Van Nostrand Company, Inc., 1950
Vol. 4 (Individual essential oils of the plant...); xiv, 752p.
Vol. 6(Individual essential oils of the plant families); xvi, 481p.
668.5 / J2
Essential oils - New York: D Van Nostrand Company, Inc., 1950
Vol. 4 (Individual essential oils of the plant...); xiv, 752p.
Vol. 6(Individual essential oils of the plant families); xvi, 481p.
668.5 / J2