Essential oils
Guenther, Ernest
Essential oils - New York: D Van Nostrand Company, Inc., 1949
Vol.2 (The constituents of essential oils); xiii, 852p.
Vol. 4 (Individual essential oils of the plant...); xiv, 752p.
Vol. 6(Individual essential oils of the plant families); xvi, 481p.
668.5 / H9
Essential oils - New York: D Van Nostrand Company, Inc., 1949
Vol.2 (The constituents of essential oils); xiii, 852p.
Vol. 4 (Individual essential oils of the plant...); xiv, 752p.
Vol. 6(Individual essential oils of the plant families); xvi, 481p.
668.5 / H9