Galambosi, B., ZS. Szebeni-Galambosi, M. Repcak, and P. Cernaj. “Variation in the Yield and Essential Oil of Four Chamomile Varieties Grown in Finland in 1985—1988”. Agricultural and Food Science 63, no. 5 (December 1, 1991): 403–410. Accessed July 8, 2024. https://journal.fi/afs/article/view/72419.