(Artikel)
Adams, P., Graves, C.J. & Winsor, G.W. 1975: Some responses of Chrysanthemum morifolium (cv.“hurricane”), grown as a year-round crop in a peat-sand substrate, to micronutrients and liming.
Journal of the Science of Food and Agriculture 26(6): 769-778
http://onlinelibrary.wiley.com/doi/10.1002/jsfa.2740260608/abstract