Authors: Craker, LE

Citation: Le. Craker, Trends in medicinal and aromatic plant production in the United States, ACTA HORT, (502), 1999, pp. 71-75

Authors: Nikolova, A Kozhuharova, K Zheljazkov, VD Craker, LE

Citation: A. Nikolova et al., Mineral nutrition of chamomile (Chamomilla recutita (L.) K., ACTA HORT, (502), 1999, pp. 203-208

Authors: Jeliazkova, EA Zheljazkov, VD Craker, LE Yankov, B Georgieva, T

Citation: Ea. Jeliazkova et al., NPK fertilizer and yields of peppermint, Mentha x piperita, ACTA HORT, (502), 1999, pp. 231-236

Authors: Margina, A Lecheva, I Craker, LE Zheljazkov, VD

Citation: A. Margina et al., Diseases and pests on Bulgarian oil-bearing rose (Rosa kazanlika VT = Rosadamascena Mill. var. kazanlika), ACTA HORT, (502), 1999, pp. 237-241