Omer, Z. S., E. Nadeau, E. Stoltz, E. Edin, and A.-C. Wallenhammar. “Effects of Sulphur Fertilization in Organically Cultivated Faba Bean ”. Agricultural and Food Science, Vol. 29, no. 5, Dec. 2020, pp. 471–481, doi:10.23986/afsci.99409.