G. Aggelis, M. Komaitis, S. Papanikolaou, and G. Papadopoulos, “A mathematical model for the study of lipid accumulation in oleaginous microorganisms. II. Study of cellular lipids of Mucor circinelloides during growth on a vegetable oil”, Grasas aceites, vol. 46, no. 4-5, pp. 245–250, Oct. 1995.