Konstantinović, S. S., M. Z. Zlatković, J. T. Ćirić, S. B. Ilić, G. D. Gojgić Cvijović, and V. B. Veljković. “The Use of Salicylaldehyde Derivatives As a Nitrogen Source for Antibiotic Production by Streptomyces Hygroscopicus CH-7”. HEMIJSKA INDUSTRIJA (Chemical Industry), vol. 71, no. 6, Jan. 2018, pp. 487–494, doi:10.2298/HEMIND170124011K.