1. Koníček, J., Lasík, J.: Bacterial strain Xanthomonas fuscans (Burkholder) Burk. FXL. Czech. patent No. 185394, Praha, 11.5.1978.
2. Production and characteristics of the exocellular polysaccharide in mutant strains of Xanthomonas fuscans;Koníček;Folia Microbiol.,1977
3. Křovák, P., Salvet, M.: Equipment for fermentation especially viscose aerobic media. Czech, patent No. 228221, Praha, 18.3.1986.
4. Cultivation of the bacterial strain Achromobacter delicatulus producing an exocellular polyglucan-type polysaccharide in the fermentation tank FU-6;Lasík;Zbl. Mikrobiol.,1983
5. Sistemy fermentacii;Viesturs,1986